Vote for your favorite mineral in #MinCup26! - Cuprite vs. Orpiment
It's a fiery match of vibrant red Cuprite and just as saturated orange Orpiment battle for your votes!
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Col de l'Escrinet, Saint-Priest, Privas, Ardèche, Auvergne-Rhône-Alpes, Francei
Regional Level Types
Col de l'EscrinetPass
Saint-PriestCommune
PrivasArrondissement
ArdècheDepartment
Auvergne-Rhône-AlpesRegion
FranceCountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
44° 43' 6'' North , 4° 29' 34'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Mindat Locality ID:
72077
Long-form identifier:
mindat:1:2:72077:2
GUID (UUID V4):
0
Other/historical names associated with this locality:
Rhône-Alpes


Various volcanic rocks veins: Mugearite, ankaratrite, trachyandesite, hornblende basalt.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


17 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Description: - Replaces, in association with cpx, hornblende in hornblende basalt.
Albite var. Andesine
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Description: - Replaces, in association with cpx, hornblende in hornblende basalt.
Anorthite
Formula: Ca(Al2Si2O8)
Description: Associated with andesite in mugearite.
Anorthite var. Labradorite
Formula: (Ca,Na)[Al(Al,Si)Si2O8]
Description: Associated with andesite in mugearite.
Aragonite
Formula: CaCO3
Description: In vacuoles of hornblende basalt.
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Calcite
Formula: CaCO3
Description: In vacuoles of hornblende basalt.
Diopside
Formula: CaMgSi2O6
Forsterite
Formula: Mg2SiO4
Haüyne
Formula: Na3Ca(Si3Al3)O12(SO4)
Description: In ankaratrite. Sodalite-noseane series. Associated with nepheline.
'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
Ilmenite
Formula: Fe2+TiO3
'K Feldspar'
Description: - In mugearite - In trachyandesite
Magnetite
Formula: Fe2+Fe3+2O4
Description: Magnesian titanomagnetite in ankaratrite.
Magnetite var. Titanium-bearing Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
Description: Magnesian titanomagnetite in ankaratrite.
Nepheline
Formula: Na3K(Al4Si4O16)
Description: Nepheline, associated with calcite, replaces limestone xenoliths in ankaratrite.
Nosean
Formula: Na8(Al6Si6O24)(SO4) · H2O
Opal
Formula: SiO2 · nH2O
Description: Silicification of trachyandesite.
Quartz
Formula: SiO2
Description: Silicification of trachyandesite.
Quartz var. Chalcedony
Formula: SiO2
Description: Silicification of trachyandesite.
Sanidine
Formula: K(AlSi3O8)
Description: Sanidine (albite 50 / orthoclase 50) in mugearite.
Sodalite
Formula: Na4(Si3Al3)O12Cl
Titanite
Formula: CaTi(SiO4)O
Description: Forming the core of Fe/Ti-oxides grains.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
var. Titanium-bearing Magnetite4.BB.05Fe2+(Fe3+,Ti)2O4
Ilmenite4.CB.05Fe2+TiO3
Quartz
var. Chalcedony
4.DA.05SiO2
4.DA.05SiO2
Opal4.DA.10SiO2 · nH2O
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Aragonite5.AB.15CaCO3
Group 9 - Silicates
Forsterite9.AC.05Mg2SiO4
Titanite9.AG.15CaTi(SiO4)O
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Diopside9.DA.15CaMgSi2O6
Nepheline9.FA.05Na3K(Al4Si4O16)
Sanidine9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
var. Andesine9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Anorthite9.FA.35Ca(Al2Si2O8)
var. Labradorite9.FA.35(Ca,Na)[Al(Al,Si)Si2O8]
Haüyne9.FB.10Na3Ca(Si3Al3)O12(SO4)
Nosean9.FB.10Na8(Al6Si6O24)(SO4) · H2O
Sodalite9.FB.10Na4(Si3Al3)O12Cl
Unclassified
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
'K Feldspar'-

List of minerals for each chemical element

HHydrogen
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H NoseanNa8(Al6Si6O24)(SO4) · H2O
H OpalSiO2 · nH2O
H Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
CCarbon
C AragoniteCaCO3
C CalciteCaCO3
OOxygen
O AlbiteNa(AlSi3O8)
O Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
O AnorthiteCa(Al2Si2O8)
O AragoniteCaCO3
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O CalciteCaCO3
O Quartz var. ChalcedonySiO2
O DiopsideCaMgSi2O6
O ForsteriteMg2SiO4
O HaüyneNa3Ca(Si3Al3)O12(SO4)
O IlmeniteFe2+TiO3
O Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
O MagnetiteFe2+Fe23+O4
O NephelineNa3K(Al4Si4O16)
O NoseanNa8(Al6Si6O24)(SO4) · H2O
O OpalSiO2 · nH2O
O QuartzSiO2
O SanidineK(AlSi3O8)
O SodaliteNa4(Si3Al3)O12Cl
O TitaniteCaTi(SiO4)O
O Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
O Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
NaSodium
Na AlbiteNa(AlSi3O8)
Na Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Na HaüyneNa3Ca(Si3Al3)O12(SO4)
Na Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Na NephelineNa3K(Al4Si4O16)
Na NoseanNa8(Al6Si6O24)(SO4) · H2O
Na SodaliteNa4(Si3Al3)O12Cl
MgMagnesium
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg DiopsideCaMgSi2O6
Mg ForsteriteMg2SiO4
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Al AnorthiteCa(Al2Si2O8)
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al HaüyneNa3Ca(Si3Al3)O12(SO4)
Al Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Al NephelineNa3K(Al4Si4O16)
Al NoseanNa8(Al6Si6O24)(SO4) · H2O
Al SanidineK(AlSi3O8)
Al SodaliteNa4(Si3Al3)O12Cl
Al Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SiSilicon
Si AlbiteNa(AlSi3O8)
Si Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Si AnorthiteCa(Al2Si2O8)
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si Quartz var. ChalcedonySiO2
Si DiopsideCaMgSi2O6
Si ForsteriteMg2SiO4
Si HaüyneNa3Ca(Si3Al3)O12(SO4)
Si Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Si NephelineNa3K(Al4Si4O16)
Si NoseanNa8(Al6Si6O24)(SO4) · H2O
Si OpalSiO2 · nH2O
Si QuartzSiO2
Si SanidineK(AlSi3O8)
Si SodaliteNa4(Si3Al3)O12Cl
Si TitaniteCaTi(SiO4)O
Si Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SSulfur
S HaüyneNa3Ca(Si3Al3)O12(SO4)
S NoseanNa8(Al6Si6O24)(SO4) · H2O
ClChlorine
Cl SodaliteNa4(Si3Al3)O12Cl
Cl Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K NephelineNa3K(Al4Si4O16)
K SanidineK(AlSi3O8)
CaCalcium
Ca Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Ca AnorthiteCa(Al2Si2O8)
Ca AragoniteCaCO3
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca CalciteCaCO3
Ca DiopsideCaMgSi2O6
Ca HaüyneNa3Ca(Si3Al3)O12(SO4)
Ca Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Ca TitaniteCaTi(SiO4)O
Ca Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti IlmeniteFe2+TiO3
Ti TitaniteCaTi(SiO4)O
Ti Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
FeIron
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe IlmeniteFe2+TiO3
Fe MagnetiteFe2+Fe23+O4
Fe Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
France

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 5, 2026 01:11:24 Page updated: August 12, 2025 16:10:01
Go to top of page