Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Autunite from
Gourniaud Mine, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France


06432620017272075287659.jpg
Autunite, etc.

Gourniaud Mine, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
06140750017372865829160.jpg
Autunite, etc.

Gourniaud Mine, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
03861010017272075299950.jpg
Autunite, etc.

Gourniaud Mine, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
00730430017372865831958.jpg
Autunite, etc.

Gourniaud Mine, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
04758230017364673666787.jpg
Autunite, etc.

Gourniaud Mine, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
04124580017372865835996.jpg
Autunite, etc.

Gourniaud Mine, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
06432620017272075287659.jpg
Autunite, etc.

Gourniaud Mine, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
06140750017372865829160.jpg
Autunite, etc.

Gourniaud Mine, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
03861010017272075299950.jpg
Autunite, etc.

Gourniaud Mine, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Locality type:Mine
Classification
Species:Autunite
Formula:Ca(UO2)2(PO4)2 · 10-12H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Torbernite7
Data
Mineral Data:Click here to view Autunite data
Locality Data:Click here to view Gourniaud Mine, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:224384
Long-form Identifier:1:3:224384:9
GUID (UUID V4):0
Nearest other occurrences of Autunite
0.8km (0.5 miles) ⓘBigay Mine, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
1.2km (0.8 miles) ⓘLes Peux, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
2.0km (1.3 miles) ⓘPelletier vein, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
3.7km (2.3 miles) ⓘRoffin Mine, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
3.9km (2.4 miles) ⓘEtang de Reliez, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
4.2km (2.6 miles) ⓘForion North-South vein, Ris, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
4.3km (2.7 miles) ⓘReliez, Ris, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
4.4km (2.7 miles) ⓘGagnol Mine, Ris, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
5.2km (3.2 miles) ⓘBancherelle Mine, Ris, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
7.9km (4.9 miles) ⓘFumouse, Le Mayet-de-Montagne, Vichy, Allier, Auvergne-Rhône-Alpes, France
References
P.-C. Guiollard (2002), L'uranium du Morvan et du Forez, Ed. P.-C. Guiollard, Fichous(64), 95 pp.
 
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