Members of this group have a crystal structure similar to that of calcite. In dolomite, alternate Ca positions are occupied by Mg, these becoming structurally non-equivalent and the crystal point symmetry being lowered from 32/m to 3.

A synthetic Ba-Fe member has been prepared at high pressure-temperature conditions (PT; 3 GPa and 700 °C) (Liang et al., 2021).
BaMn(CO3)2 is known as a natural, unnamed phase: Unnamed (Ba-Mn Carbonate).
PbMg(CO3)2 was synthesised by Lippmann (1966).

Unique IdentifiersHide

Mindat ID:

29288

Long-form identifier:

mindat:1:1:29288:3

Chemistry of Dolomite GroupHide

Mindat Formula:

AM²⁺(CO₃)₂

A = Ca, Ba
M = Fe²⁺, Mg, Mn, Zn

Age distributionHide

Recorded ages:

Ectasian : 1341 ± 160 Ma to 1341 ± 160 Ma - based on 5 recorded ages.

Sample ages:

Sample ID	Recorded age	Geologic Time	Dating method
1	1341 ± 160 Ma	Ectasian	Sm-Nd whole rock

Sample references:

ID	Locality	Reference	Notes
1	Bayan Obo deposit, Bayan Obo, Bayan Obo mining district, Baotou City, Inner Mongolia, China	Yang, K. F., Fan, H. R., Santosh, M., Hu, F. F., & Wang, K. Y. (2011). Mesoproterozoic carbonatitic magmatism in the Bayan Obo deposit, Inner Mongolia, North China: constraints for the mechanism of super accumulation of rare earth elements. Ore Geology Reviews, 40(1), 122-131.

Chemical AnalysisHide

Oxide wt%:

	1	2	3	4
FeCO₃	20.88 %	27.11 %
MnCO₃	7.79 %	1.51 %
CaCO₃	49.87 %	60.58 %
MgCO₃	21.46 %	10.80 %
MgO	46.97 %	11.28 %
CaO	50.95 %
SiO₂	0.64 %
FeO	1.12 %
BaO	53.11 %
MnO	4.68 %
Total:	100 %	100 %	99.68 %	69.07 %

Sample references:

ID	Locality	Reference	Notes
1	Grand-Mambourg, Charleroi, Hainaut, Wallonia, Belgium	Bellière, M. (1926) Note sur des minéraux du Houiller. Annales de la Société géologique de Belgique: 49: B267.
2	" "	Bellière, M. (1926) Note sur des minéraux du Houiller. Annales de la Société géologique de Belgique: 49: B267.
3	Impensada Mine, Pacios, Vila de Mouros, Incio, Lugo, Galicia, Spain	Victor Pais	Several samples analysed with XRF in the laboratory of Magnesitas de Rubian company.
4	Kremikovtsi mine, Kremikovtsi, Stolichna Municipality, Sofia City Province, Bulgaria	Zidarov, Nikola, Petrov, Ognyan, Tarassov, Mihail, Damyanov, Zhelyazko, Tarassova, Eugenia, Petkova, Vilma, Kalvachev, Yuri, Zlatev, Zlati (2009) Mn-rich norsethite from the Kremikovtsi ore deposit, Bulgaria. Neues Jahrbuch für Mineralogie - Abhandlungen, 186 (3) 321-331 doi:10.1127/0077-7757/2009/0152

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0006031	Dolomite	Drits V A, McCarty D K, Sakharov B, Milliken K L (2005) New insight into structural and compositional variability in some ancient excess-Ca dolomite The Canadian Mineralogist 43 1255-1290	👁 Image	2005	Coke County, Texas, USA	0	293
0006030	Dolomite	Drits V A, McCarty D K, Sakharov B, Milliken K L (2005) New insight into structural and compositional variability in some ancient excess-Ca dolomite The Canadian Mineralogist 43 1255-1290	👁 Image	2005	Coke County, Texas, USA	0	293
0006029	Dolomite	Drits V A, McCarty D K, Sakharov B, Milliken K L (2005) New insight into structural and compositional variability in some ancient excess-Ca dolomite The Canadian Mineralogist 43 1255-1290	👁 Image	2005	Lea County, New Mexico, USA	0	293
0006028	Dolomite	Drits V A, McCarty D K, Sakharov B, Milliken K L (2005) New insight into structural and compositional variability in some ancient excess-Ca dolomite The Canadian Mineralogist 43 1255-1290	👁 Image	2005	Lea County, New Mexico, USA	0	293
0006027	Dolomite	Drits V A, McCarty D K, Sakharov B, Milliken K L (2005) New insight into structural and compositional variability in some ancient excess-Ca dolomite The Canadian Mineralogist 43 1255-1290	👁 Image	2005	Lea County, New Mexico, USA	0	293
0006026	Dolomite	Drits V A, McCarty D K, Sakharov B, Milliken K L (2005) New insight into structural and compositional variability in some ancient excess-Ca dolomite The Canadian Mineralogist 43 1255-1290	👁 Image	2005	Lea County, New Mexico, USA	0	293
0010926	Norsethite	Effenberger H, Zemann J (1985) Single crystal X-Ray investigation of norsethite, BaMg(CO3)2: one more mineral with an aplanar carbonate group Zeitschrift fur Kristallographie 171 275-280	👁 Image	1985	synthetic	0	293
0010925	Norsethite	Effenberger H, Zemann J (1985) Single crystal X-Ray investigation of norsethite, BaMg(CO3)2: one more mineral with an aplanar carbonate group Zeitschrift fur Kristallographie 171 275-280	👁 Image	1985	synthetic	0	293
0010924	Norsethite	Effenberger H, Zemann J (1985) Single crystal X-Ray investigation of norsethite, BaMg(CO3)2: one more mineral with an aplanar carbonate group Zeitschrift fur Kristallographie 171 275-280	👁 Image	1985	synthetic	0	293
0020832	Dolomite	Effenberger H, Mereiter K, Zemann J (1981) Crystal structure refinements of magnesite, calcite, rhodochrosite, siderite, smithsonite, and dolomite, with discussion of some aspects of the stereochemistry of calcite type carbonates Zeitschrift fur Kristallographie 156 233-243	👁 Image	1981	Pberdorf, Styria, Austria	0	293
0015666	Dolomite	Beran A, Zemann J (1977) Refinement and comparison of the crystal structures of a dolomite and of an Fe-rich ankerite Tschermaks Mineralogische und Petrographische Mitteilungen 24 279-286	1977	Oberdorf, Styria, Austria	0	293
0015665	Ankerite	Beran A, Zemann J (1977) Refinement and comparison of the crystal structures of a dolomite and of an Fe-rich ankerite Tschermaks Mineralogische und Petrographische Mitteilungen 24 279-286	1977	Erzberg, Etage Dreikonig, Styria, Austria	0	293
0006032	Dolomite	Drits V A, McCarty D K, Sakharov B, Milliken K L (2005) New insight into structural and compositional variability in some ancient excess-Ca dolomite The Canadian Mineralogist 43 1255-1290	👁 Image	2005	0	293
0001453	Dolomite	Ross N L, Reeder R J (1992) High-pressure structural study of dolomite and ankerite American Mineralogist 77 412-421	👁 Image	1992	0	293
0001449	Ankerite	Ross N L, Reeder R J (1992) High-pressure structural study of dolomite and ankerite American Mineralogist 77 412-421	👁 Image	1992	0	293
0001272	Dolomite	Reeder R J, Dollase W A (1989) Structural variation in the dolomite-ankerite solid-solution series: An X-ray, Mossbauer, and TEM study sample BM 1931-294 American Mineralogist 74 1159-1167	👁 Image	1989	0	293
0001274	Ankerite	Reeder R J, Dollase W A (1989) Structural variation in the dolomite-ankerite solid-solution series: An X-ray, Mossbauer, and TEM study sample AMNH 8059 American Mineralogist 74 1159-1167	👁 Image	1989	0	293
0001273	Ankerite	Reeder R J, Dollase W A (1989) Structural variation in the dolomite-ankerite solid-solution series: An X-ray, Mossbauer, and TEM study sample AMNH 6376 American Mineralogist 74 1159-1167	👁 Image	1989	0	293
0001070	Kutnohorite	Peacor D R, Essene E J, Gaines A M (1987) Petrologic and crystal-chemical implications of cation order-disorder in kutnahorite (CaMn(CO3)2) American Mineralogist 72 319-328	👁 Image	1987	0	293
0001069	Kutnohorite	Peacor D R, Essene E J, Gaines A M (1987) Petrologic and crystal-chemical implications of cation order-disorder in kutnahorite (CaMn(CO3)2) American Mineralogist 72 319-328	👁 Image	1987	0	293
0001065	Dolomite	Miser D E, Swinnea J S, Steinfink H (1987) TEM observations and X-ray crystal-structure refinement of a twinned dolomite with a modulated microstructure American Mineralogist 72 188-193	👁 Image	1987	0	293
0001033	Dolomite	Reeder R J, Markgraf S A (1986) High-temperature crystal chemistry of dolomite American Mineralogist 71 795-804	👁 Image	1986	0	293
0001032	Dolomite	Reeder R J, Markgraf S A (1986) High-temperature crystal chemistry of dolomite American Mineralogist 71 795-804	👁 Image	1986	0	293
0001031	Dolomite	Reeder R J, Markgraf S A (1986) High-temperature crystal chemistry of dolomite American Mineralogist 71 795-804	👁 Image	1986	0	293
0001030	Dolomite	Reeder R J, Markgraf S A (1986) High-temperature crystal chemistry of dolomite American Mineralogist 71 795-804	👁 Image	1986	0	293
0001029	Dolomite	Reeder R J, Markgraf S A (1986) High-temperature crystal chemistry of dolomite American Mineralogist 71 795-804	👁 Image	1986	0	293
0001028	Dolomite	Reeder R J, Markgraf S A (1986) High-temperature crystal chemistry of dolomite American Mineralogist 71 795-804	👁 Image	1986	0	293
0001027	Dolomite	Reeder R J, Markgraf S A (1986) High-temperature crystal chemistry of dolomite American Mineralogist 71 795-804	👁 Image	1986	0	293
0001026	Dolomite	Reeder R J, Markgraf S A (1986) High-temperature crystal chemistry of dolomite American Mineralogist 71 795-804	👁 Image	1986	0	293
0000906	Dolomite	Reeder R J, Wenk H R (1983) Structure refinements of some thermally disordered dolomites sample DO - 1100 American Mineralogist 68 769-776	👁 Image	1983	0	293
0000905	Dolomite	Reeder R J, Wenk H R (1983) Structure refinements of some thermally disordered dolomites sample DO - 1050 American Mineralogist 68 769-776	👁 Image	1983	0	293
0000904	Dolomite	Reeder R J, Wenk H R (1983) Structure refinements of some thermally disordered dolomites sample EU American Mineralogist 68 769-776	👁 Image	1983	0	293
0000584	Dolomite	Althoff P L (1977) Structural refinements of dolomite and a magnesian calcite and implications for dolomite formation in the marine environment American Mineralogist 62 772-783	👁 Image	1977	0	293
0014695	Norsethite	Lippmann F (1967) Die kristallstruktur des norsethit, BaMg(CO3)2, im vergleich zum dolomit, CaMg(CO3)2 Naturwissenschaften 54 514-514	1967	0	293
0000106	Kutnohorite	Graf D L (1961) Crystallographic tables for the rhombohedral carbonates American Mineralogist 46 1283-1316	👁 Image	1961	0	293
0000108	Dolomite	Graf D L (1961) Crystallographic tables for the rhombohedral carbonates American Mineralogist 46 1283-1316	👁 Image	1961	0	293
0000086	Dolomite	Steinfink H, Sans F J (1959) Refinement of the crystal structure of dolomite American Mineralogist 44 679-682	1959	0	293
0001454	Dolomite	Ross N L, Reeder R J (1992) High-pressure structural study of dolomite and ankerite American Mineralogist 77 412-421	👁 Image	1992	1.5	293
0001450	Ankerite	Ross N L, Reeder R J (1992) High-pressure structural study of dolomite and ankerite American Mineralogist 77 412-421	👁 Image	1992	1.9	293
0001455	Dolomite	Ross N L, Reeder R J (1992) High-pressure structural study of dolomite and ankerite American Mineralogist 77 412-421	👁 Image	1992	2.9	293
0001451	Ankerite	Ross N L, Reeder R J (1992) High-pressure structural study of dolomite and ankerite American Mineralogist 77 412-421	👁 Image	1992	2.97	293
0003598	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	293
0003599	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	630
0003600	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	675
0003601	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	809
0003602	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	925
0003603	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	999
0003604	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	1039
0003606	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	1070
0003605	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	1074
0003607	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	1106
0003608	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	1142
0003609	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	1171
0003610	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	1205
0003611	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	1234
0003612	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	1265
0003613	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	1292
0003614	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	1320
0003615	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	1346
0003616	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	1362
0003617	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	1394
0003618	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	1400
0003619	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	1443
0003620	Dolomite	Antao S M, Mulder W H, Hassan I, Crichton W A, Parise J B (2004) Cation disorder in dolomite, CaMg(CO3)2, and its influence on the aragonite+magnesite - dolomite reaction boundary American Mineralogist 89 1142-1147	👁 Image	2004	3	1466
0001456	Dolomite	Ross N L, Reeder R J (1992) High-pressure structural study of dolomite and ankerite American Mineralogist 77 412-421	👁 Image	1992	3.7	293
0001452	Ankerite	Ross N L, Reeder R J (1992) High-pressure structural study of dolomite and ankerite American Mineralogist 77 412-421	👁 Image	1992	4	293
0001457	Dolomite	Ross N L, Reeder R J (1992) High-pressure structural study of dolomite and ankerite American Mineralogist 77 412-421	👁 Image	1992	4.69	293

CIF Raw Data - click here to close

Relationship of Dolomite Group to other SpeciesHide

Dolomite Group Members:

Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂	Trig. 3 : R3
Dolomite	CaMg(CO₃)₂	Trig. 3 : R3
Kutnohorite	CaMn²⁺(CO₃)₂	Trig. 3 : R3
Minrecordite	CaZn(CO₃)₂	Trig. 3 : R3
Norsethite	BaMg(CO₃)₂	Trig. 32 : R32
Škáchaite	CaCo(CO₃)₂	Trig. 3 : R3
'Unnamed (Pb analogue of Dolomite)'	PbMg(CO₃)₂

Other InformationHide

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Dolomite Group in petrologyHide

An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.

Internet Links for Dolomite GroupHide

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https://www.mindat.org/min-29288.html
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References for Dolomite GroupHide

Reference List:

Wyckoff and Merwin (1924) American Journal of Science: 8: 447.

Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.

Lippmann, Friedrich (1966) PbMg(CO3)2, ein neues rhomboedrisches Doppelcarbonat. Die Naturwissenschaften, 53 (24). 701 doi:10.1007/bf00602722

Liang, Wen; Peters, Christine; Li, Lin; Leupold, Olaf; Li, Heping; Böttcher, Michael E. (2021) BaFe[CO3]2, a new double carbonate: Synthesis, structural characterisation, and geostability implications for high and low PT. Geochemistry, 81 (2). 125740 doi:10.1016/j.chemer.2021.125740

Significant localities for Dolomite GroupHide

Showing 36 significant localities out of 17,802 recorded on mindat.org.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 👁 Image
symbol to view information about a locality. The 👁 Image
symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

👁 Image
- This locality has map coordinates listed. 👁 Image
- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. 👁 Image
- Good crystals or important locality for species. 👁 Image
- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). ~~Struck out~~ - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Austria
Styria Bruck-Mürzzuschlag District Breitenau am Hochlantsch Hochlantsch ⓘ Breitenau Mine 👁 Image	[Dolomite] Landesmuseum Joanneum (Graz, Styria) +1 other reference
Bolivia
Cochabamba Ayopaya Province ⓘ Cerro Sapo 👁 Image	[Ankerite] PARTS (1981) +1 other reference
Chapare Province ⓘ Alto Chapare mining district 👁 Image	[Dolomite] Wilson (2001)
Brazil
Minas Gerais Nova Lima ⓘ Morro Velho mine 👁 Image	[Dolomite] Rocks & Minerals: 63: 43. +3 other references
Canada
Nunavut Qikiqtaaluk Region Baffin Island Nanisivik ⓘ Nanisivik Mine 👁 Image	[Dolomite] Gait et al. (1990) +2 other references
Czech Republic
Central Bohemian Region Kutná Hora District Kutná Hora ⓘ Poličany	[Kutnohorite] Farkas et al. (1988)
Příbram District Příbram Brod Uranium Mine No. 6 (Shaft No. 6) ⓘ B117 hydrothermal vein	[Škáchaite] Bosi et al. (2023) +1 other reference
DR Congo
Lualaba Tenke-Fungurume area ⓘ Kansalawile Mine 👁 Image	[Dolomite var: Cobalt-bearing Dolomite] De Bondt (n.d.)
France
Grand Est Bas-Rhin Molsheim Schirmeck ⓘ Schirmeck tunnel 👁 Image	[Dolomite] Alain Steinmetz and Thierry Brunsperger ...
Nouvelle-Aquitaine Corrèze Tulle Uzerche ⓘ Espartignac Quarry 👁 Image	[Dolomite] Michel Treillard (visual identification)
Germany
Saxony Mittelsachsen Freiberg Zug ⓘ Beschert Glück Mine	[Ankerite var: Tautoklin] Breithaupt (1830)
Greece
Attica East Attica Lavreotiki Dimoliaki Barbaliaki mines ⓘ Barbaliaki Mine No. 1	[Unnamed (Pb analogue of Dolomite)] Uwe Kolitsch & Branko Rieck (unpubl. SEM-EDS results)
Ireland
Connacht Sligo County Aughamore ⓘ Aughamore Quarry (Maye Quarry; "Achenmore Quarry") 👁 Image	[Dolomite] Flannery (n.d.) +1 other reference
Ballysadare ⓘ Abbeytown Mine & Quarry 👁 Image	[Dolomite] Dr Stephen Moreton
Italy
Piedmont Metropolitan City of Turin Traversella ⓘ Traversella Mine 👁 Image	[Dolomite] Gruppo Mineralogico Lombardo (10) +2 other references
Namibia
Oshikoto Region Tsumeb ⓘ Tsumeb Mine (Ongopolo Mine) 👁 Image	[Minrecordite] Garavelli et al. (1982)
Norway
Nordland Narvik Kjøpsvik ⓘ Norcem Quarry 👁 Image	[Ankerite] Tomas Husdal personal communication ...
Peru
Ancash Bolognesi Province Huallanca District Huanzala ⓘ Huanzala Mine 👁 Image	[Dolomite] Imai et al. (1985) +1 other reference
Spain
Aragon Teruel Ojos Negros ⓘ Ojos Negros iron mines 👁 Image	[Dolomite] Calvo Rebollar (2008)
Cantabria Camaleño ⓘ Áliva Mine 👁 Image	[Dolomite] Gómez Fernández et al. (2006) +1 other reference
Reocín ⓘ Reocín Mine 👁 Image	[Dolomite] Castro et al. (2001)
Castile and Leon León Puebla de Lillo Fuentes de Respina ⓘ Respina Mine 👁 Image	[Dolomite] Calvo Rebollar (2012)
Galicia Lugo Incio Vila de Mouros Pacios ⓘ Impensada Mine (Magnesitas de Rubián) 👁 Image	[Dolomite] Victor Pais Collection +1 other reference
Navarre Esteríbar Eugui ⓘ Azcárate Quarry (Azkarate Quarry) 👁 Image	[Dolomite] Calvo et al. (1991)
Valencian Community Valencia Domeño ⓘ CV-35 highway cut 👁 Image	[Dolomite, Dolomite var: Teruelite] Honrubia et al. (2002) +1 other reference
UK
England Cumbria Eden Alston Moor Nenthead ⓘ Smallcleugh Mine 👁 Image	[Ankerite] Dunham Sir K C
USA
Connecticut Hartford County New Britain ⓘ State Route 9 - Ellis Street and State Route 72 interchanges (State Route 72 roadcut) 👁 Image	[Dolomite] Januzzi et al. (1976)
Indiana Harrison County Corydon ⓘ Corydon Stone Co. Quarry 👁 Image	[Dolomite] T. Kennedy collection +3 other references
Kentucky Hart County Horse Cave ⓘ Horse Cave Quarry 👁 Image	[Dolomite] Visual identification by Mike Polletta
New York Onondaga County Cicero ⓘ Interstate highway 81 interchange 👁 Image	[Dolomite] Robinson et al. (2007) +1 other reference
Putnam County Town of Southeast ⓘ Tilly Foster Iron Mine 👁 Image	[Dolomite] - (Dana, 1874) +1 other reference
North Carolina Catawba County Hickory ⓘ Martin Marietta Quarry (Hickory Quarry) 👁 Image	[Ankerite] K. Wood collection
Pennsylvania Chester County Phoenixville ⓘ Black Rock Tunnel (Conrail Tunnel) ? 👁 Image	[Ankerite] Ref.1 The Mineralogy of Pennsylvania +2 other references
Rhode Island Providence County Lincoln Lime Rock ⓘ Dexter Quarry (Dexter Lime Quarry) 👁 Image	[Dolomite] Rocks & Min.: 17:51 +2 other references
Wyoming Sweetwater County Green River Basin ⓘ Westvaco mine	[Norsethite] Mrose et al. (1961)

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