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⇱ Haydenite: Mineral information, data and localities.

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Haydenite

A variety of Chabazite-Ca
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About HaydeniteHide

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Formula:
(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Name:
Named in 1822 by Parker Cleaveland in honor of Dr. Horace Henry Hayden [October 13, 1769 Hayden Station, Windsor, Connecticut, USA - January 26, 1844 Baltimore, Maryland, USA], dentist and lecturer on dentistry at the University of Maryland, and he was co-founder of the Maryland Academy of Science. Hayden also founded the American Society of Dental Surgeons. Hayden published several works of geology, collected minerals, and discovered the mineral named for him.
Haydenite is a usually gemmy, pale yellow-orange to golden-brown variety of chabazite with scalenohedral modifications and showing contact twinning.


Unique IdentifiersHide

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Mindat ID:
10182 (as Haydenite)
6854 (as Chabazite-Ca)
Long-form identifier:
mindat:1:1:10182:8 (as Haydenite)
mindat:1:1:6854:9 (as Chabazite-Ca)

Similar NamesHide

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HaydeeiteA valid IMA mineral speciesCu3Mg(OH)6Cl2
HaydenitA synonym of Chabazite
HeaddeniteA synonym of Arrojadite-(KFe){KNa}{Fe2+◻}{Ca}{Na2◻}{Fe132+}{Al}(PO4)11(HPO4)(OH)2
HiddeniteA variety of SpodumeneLiAlSi2O6

Chemistry of HaydeniteHide

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Mindat Formula:
(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Element Weights:
Element% weight
O56.862 %
Si22.182 %
Al10.655 %
Ca7.913 %
H2.388 %

Calculated from ideal end-member formula.

First Recorded Occurrence of HaydeniteHide

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Common AssociatesHide

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Associated Minerals Based on Photo Data:
4 photos of Haydenite associated with Beaumontite (of Lévy)(Ca,Na)5(Si27Al9)O72 · 26H2O

Other InformationHide

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

Internet Links for HaydeniteHide

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mindat.org URL:
https://www.mindat.org/min-10182.html
Please feel free to link to this page.

References for HaydeniteHide

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Reference List:

Localities for HaydeniteHide

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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

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👁 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.
USA (FRL)
  • Maryland
    • Baltimore City
Paker Cleaveland (1822)
Quick NavTopAbout HaydeniteUnique IdentifiersSimilar NamesChemistry First Recorded Occurrence Common AssociatesOther InformationInternet Links References Localities Locality List
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