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
St Peter's Mine, Sparty Lea, Allendale, Northumberland, England, UK


02182620017364387596704.jpg
Quartz

St Peter's Mine, Sparty Lea, Allendale, Northumberland, England, UK
03294360017364387595344.jpg
Quartz, etc.

St Peter's Mine, Sparty Lea, Allendale, Northumberland, England, UK
02182620017364387596704.jpg
Quartz

St Peter's Mine, Sparty Lea, Allendale, Northumberland, England, UK
06255730017271983268946.jpg
Quartz, etc.

St Peter's Mine, Sparty Lea, Allendale, Northumberland, England, UK
02182620017364387596704.jpg
Quartz

St Peter's Mine, Sparty Lea, Allendale, Northumberland, England, UK
06255730017271983268946.jpg
Quartz, etc.

St Peter's Mine, Sparty Lea, Allendale, Northumberland, England, UK
Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Fluorite54
Siderite26
Sphalerite5
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view St Peter's Mine, Sparty Lea, Allendale, Northumberland, England, UK
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:70906
Long-form Identifier:1:3:70906:8
GUID (UUID V4):0
Nearest other occurrences of Quartz
3.4km (2.1 miles) ⓘAllenheads Mine (Beaumont Mine), Allendale, Northumberland, England, UK
5.2km (3.2 miles) ⓘBarneycraig Mine, Coalcleugh, West Allen, Northumberland, England, UK
5.2km (3.2 miles) ⓘGreencleugh Mine, Rookhope, Stanhope, County Durham, England, UK
5.2km (3.2 miles) ⓘScraithole Mine, Carrshield, West Allen, Northumberland, England, UK
5.7km (3.5 miles) ⓘFrazer's Hush Mine, Rookhope, Stanhope, County Durham, England, UK
6.2km (3.9 miles) ⓘGroverake Mine, Rookhope, Stanhope, County Durham, England, UK
6.2km (3.9 miles) ⓘCoalcleugh Mine, Coalcleugh, West Allen, Northumberland, England, UK
6.2km (3.9 miles) ⓘPark Level Mine, Killhope Burn, Stanhope, County Durham, England, UK
6.4km (4.0 miles) ⓘNorth Groverake Quarry, Rookhope, Stanhope, County Durham, England, UK
6.7km (4.2 miles) ⓘCowhorse Mine, Killhope Burn, Stanhope, County Durham, England, UK
References
Fluorite: The Collector's Choice. Extra Lapis English No. 9
 
and/or  
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