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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Quartz from
Croft Gothal Mine, St Hilary, Cornwall, England, UK


08647590017443052389920.jpg
Quartz, etc.

Croft Gothal Mine, St Hilary, Cornwall, England, UK
09117110017436387938544.jpg
Quartz, etc.

Croft Gothal Mine, St Hilary, Cornwall, England, UK
05265590017455505312033.jpg
Quartz, etc.

Croft Gothal Mine, St Hilary, Cornwall, England, UK
08647590017443052389920.jpg
Quartz, etc.

Croft Gothal Mine, St Hilary, Cornwall, England, UK
09117110017436387938544.jpg
Quartz, etc.

Croft Gothal Mine, St Hilary, Cornwall, England, UK
00562290017435606011910.jpg
Quartz, etc.

Croft Gothal Mine, St Hilary, Cornwall, England, UK
01423840017455505325770.jpg
Quartz, etc.

Croft Gothal Mine, St Hilary, Cornwall, England, UK
09117110017436387938544.jpg
Quartz, etc.

Croft Gothal Mine, St Hilary, Cornwall, England, UK
01587010017436197292415.jpg
Quartz, etc.

Croft Gothal Mine, St Hilary, Cornwall, England, UK
Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Clinochlore30
Monazite-(Ce)13
Bismuthinite7
Native Bismuth6
Bismoclite5
Köttigite3
Scorodite3
Siderite3
Mimetite3
Apatite2
Goethite2
Beudantite2
K Feldspar2
- var Adularia1
Chlorite Group1
Anatase1
Pharmacosiderite1
Cornubite1
Cassiterite1
Arsenopyrite1
Muscovite1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Croft Gothal Mine, St Hilary, Cornwall, England, UK
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:40679
Long-form Identifier:1:3:40679:0
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.4km (0.3 miles) ⓘRetallack Mine, St Hilary, Cornwall, England, UK
0.7km (0.4 miles) ⓘTindene, Breage, Cornwall, England, UK
0.7km (0.4 miles) ⓘHalamanning Mine, St Hilary, Cornwall, England, UK
0.9km (0.6 miles) ⓘWest Great Work, Breage, Cornwall, England, UK
1.1km (0.7 miles) ⓘTregembo, St Hilary, Cornwall, England, UK
1.5km (0.9 miles) ⓘWest Godolphin Mine (Wheal Junket), Breage, Cornwall, England, UK
1.6km (1.0 miles) ⓘWheal Friendship, St Hilary, Cornwall, England, UK
2.0km (1.2 miles) ⓘWheal Reeth, Boscreege, Germoe, Cornwall, England, UK
2.1km (1.3 miles) ⓘPenberthy Croft Mine, St Hilary, Cornwall, England, UK
2.3km (1.4 miles) ⓘLady Gwendolen Mine, Germoe, Cornwall, England, UK
References
 
and/or  
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