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⇱ Colle del Paschiet (Colle Paschietto), Balme, Metropolitan City of Turin, Piedmont, Italy

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Colle del Paschiet (Colle Paschietto), Balme, Metropolitan City of Turin, Piedmont, Italyi
Regional Level Types
Colle del Paschiet (Colle Paschietto)Pass
BalmeCommune
Metropolitan City of TurinMetropolitan City
PiedmontRegion
ItalyCountry
Colle del Paschiet (Colle Paschietto), Lanzo Valleys, Metropolitan City of Turin, Piedmont, Italy

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Latitude & Longitude (WGS84):
45° 15' 36'' North , 7° 14' 4'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Mindat Locality ID:
70004
Long-form identifier:
mindat:1:2:70004:2
GUID (UUID V4):
0
Other/historical names associated with this locality:
Passo Paschiet; Colle del Peschiet; Colle del Pasquietto
Other Languages:
Franco-Provençal:
Ghicet Paschiet (Ghicet Peschiet), Bârmes, Vela mètropolitèna de Turin (Province de Turin), Piemont, Étalie
Italian:
Colle del Paschiet (Colle Paschietto; Passo Paschiet; Colle del Peschiet; Colle del Pasquietto), Balme, Città metropolitana di Torino (Provincia di Torino), Piemonte, Italia


The pass (2435 m) separates Torre d'Ovarda (3075 m) from Punta Golai (2819 m) and connects Vallone del Paschiet (Balme, Ala Valley) to Vallone d'Ovarda (Lemie, Viù Valley).

On the pass, the passage from the Torre d'Ovarda prasinites, which include the ocellar chlorite-rich variety named "ovardite" by Strüver (1873 b), to the Punta Golai serpentinite and serpentine schists occurs.

The triangular area on the left of the path leading from Laghi Verdi to the pass, situated at a height of over 2300 m towards the summit of Punta Golai and the pass, roughly defines the Colle del Paschiet mineral site. Typical crystallised minerals in the rodingite fissures are grossular var. hessonite, epidote, clinochlore, diopside, hydroxylapatite, calcite, magnetite, and titanite. Lamellar titanite crystals are also found embedded in chlorite. White twinned crystals of albite occur in epidote veins. Magnetite and actinolite crystals are found in talc schists.

Since the beginning of the 19th century Colle del Paschiet is considered a classic locality for epidote, found as yellow-green to dark green simple and twinned crystals. Some uncommon crystals forms were studied by Marignac (1847), Hessenberg (1858), Della Valle (1890), and Zambonini (1901 and 1903). The more yellow crystals are ascribable to terms of the clinozoisite-epidote series and in some cases to almost pure clinozoisite (Balzac, 1916).

The very bright magnetite crystals embedded in talc schist mainly shows the {111} faces of octahedron and sometimes also faces of other forms, as the {510} and {611} faces (Repossi, 1942).

Very dark, sometimes almost black, zoned garnet (andradite) crystals were found at the beginning of the 1920s at an unspecified location in the upper Vallone del Paschiet (Laghi Verdi - Colle del Paschiet area), but a landslide completely obliterated the site. According to the professional mineral collector Antonio Castagneri Lench, whose young sons discovered the site, most of the recovered specimens were sold to collectors from Lyon (Grill, 1922).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


15 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Entries shown in red are rocks recorded for this region.

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Andradite
Formula: Ca3Fe3+2(SiO4)3
ⓘ Calcite
Formula: CaCO3
ⓘ Chrysotile
Formula: Mg3(Si2O5)(OH)4
ⓘ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
References:
ⓘ Clinozoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘ 'Clinozoisite-Epidote Series'
ⓘ Diopside
Formula: CaMgSi2O6
✪ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
References:
ⓘ Grossular
Formula: Ca3Al2(SiO4)3
References:
ⓘ Grossular var. Hessonite
Formula: Ca3Al2(SiO4)3
ⓘ Hydroxylapatite
Formula: Ca5(PO4)3(OH)
Description: Reported as apatite by the erlier authors.
References:
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ Titanite
Formula: CaTi(SiO4)O
References:
ⓘ Vesuvianite
Formula: Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9

Gallery:

Ca3Al2(SiO4)3ⓘ Grossular var. Hessonite

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 8 - Phosphates, Arsenates and Vanadates
ⓘHydroxylapatite8.BN.05Ca5(PO4)3(OH)
Group 9 - Silicates
ⓘChrysotile9.00.Mg3(Si2O5)(OH)4
ⓘAndradite9.AD.25Ca3Fe3+2(SiO4)3
ⓘGrossular9.AD.25Ca3Al2(SiO4)3
ⓘvar. Hessonite9.AD.25Ca3Al2(SiO4)3
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘClinozoisite9.BG.05a(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘVesuvianite9.BG.35Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
ⓘDiopside9.DA.15CaMgSi2O6
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘClinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Clinozoisite-Epidote Series'-

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ ChrysotileMg3(Si2O5)(OH)4
Hⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Hⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ HydroxylapatiteCa5(PO4)3(OH)
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Hⓘ Clinozoisite-Epidote Series
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AndraditeCa3Fe23+(SiO4)3
Oⓘ CalciteCaCO3
Oⓘ ChrysotileMg3(Si2O5)(OH)4
Oⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Oⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Oⓘ DiopsideCaMgSi2O6
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ GrossularCa3Al2(SiO4)3
Oⓘ Grossular var. HessoniteCa3Al2(SiO4)3
Oⓘ HydroxylapatiteCa5(PO4)3(OH)
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Oⓘ Clinozoisite-Epidote Series
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ ChrysotileMg3(Si2O5)(OH)4
Mgⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ TalcMg3Si4O10(OH)2
Mgⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Alⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ GrossularCa3Al2(SiO4)3
Alⓘ Grossular var. HessoniteCa3Al2(SiO4)3
Alⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Alⓘ Clinozoisite-Epidote Series
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ AndraditeCa3Fe23+(SiO4)3
Siⓘ ChrysotileMg3(Si2O5)(OH)4
Siⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Siⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Siⓘ DiopsideCaMgSi2O6
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ GrossularCa3Al2(SiO4)3
Siⓘ Grossular var. HessoniteCa3Al2(SiO4)3
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Siⓘ Clinozoisite-Epidote Series
PPhosphorus
Pⓘ HydroxylapatiteCa5(PO4)3(OH)
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ AndraditeCa3Fe23+(SiO4)3
Caⓘ CalciteCaCO3
Caⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Caⓘ DiopsideCaMgSi2O6
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ GrossularCa3Al2(SiO4)3
Caⓘ Grossular var. HessoniteCa3Al2(SiO4)3
Caⓘ HydroxylapatiteCa5(PO4)3(OH)
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Caⓘ Clinozoisite-Epidote Series
TiTitanium
Tiⓘ TitaniteCaTi(SiO4)O
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ AndraditeCa3Fe23+(SiO4)3
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Feⓘ Clinozoisite-Epidote Series

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
  • AlpsAccretionary Complex
EuropeContinent
Italy

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