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
Goat Fell, Isle of Arran, North Ayrshire, Scotland, UK


09028780017363348392637.jpg
Smoky Quartz

Goat Fell, Isle of Arran, North Ayrshire, Scotland, UK
09028780017363348392637.jpg
Smoky Quartz

Goat Fell, Isle of Arran, North Ayrshire, Scotland, UK
05339230017272007777955.jpg
Smoky Quartz

Goat Fell, Isle of Arran, North Ayrshire, Scotland, UK
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Goat Fell, Isle of Arran, North Ayrshire, Scotland, UK
Data Identifiers
Mindat Occurrence Record ID:985192
Long-form Identifier:1:3:985192:4
GUID (UUID V4):0
Nearest other occurrences of Quartz
3.0km (1.9 miles) ⓘCeum na Caillich, Glen Sannox, Isle of Arran, North Ayrshire, Scotland, UK
3.9km (2.4 miles) ⓘGlen Rosa, Isle of Arran, North Ayrshire, Scotland, UK
10.9km (6.8 miles) ⓘClauchlands Point, Lamlash, Isle of Arran, North Ayrshire, Scotland, UK
14.0km (8.7 miles) ⓘJudd's No. 1 dike, Tormore, Isle of Arran, North Ayrshire, Scotland, UK
21.0km (13.0 miles) ⓘKildonan, Isle of Arran, North Ayrshire, Scotland, UK
22.8km (14.1 miles) ⓘGreat Cumbrae, North Ayrshire, Scotland, UK
24.9km (15.5 miles) ⓘLonghill Quarry, Isle of Bute, Argyll and Bute, Scotland, UK
25.5km (15.8 miles) ⓘKaim Hill, North Ayrshire, Scotland, UK
27.7km (17.2 miles) ⓘHillton Quarry 2, Isle of Bute, Argyll and Bute, Scotland, UK
27.9km (17.3 miles) ⓘHillton Quarry, Isle of Bute, Argyll and Bute, Scotland, UK
References
 
and/or  
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