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
Castletown mine, Lochgilphead, Argyll and Bute, Scotland, UK


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Anilite2
Dickite1
Clinoatacamite1
Botallackite1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Castletown mine, Lochgilphead, Argyll and Bute, Scotland, UK
Data Identifiers
Mindat Occurrence Record ID:43334
Long-form Identifier:1:3:43334:1
GUID (UUID V4):0
Nearest other occurrences of Quartz
24.5km (15.2 miles) ⓘHillton Quarry 2, Isle of Bute, Argyll and Bute, Scotland, UK
24.8km (15.4 miles) ⓘHillton Quarry, Isle of Bute, Argyll and Bute, Scotland, UK
25.9km (16.1 miles) ⓘKilmelford copper mineralisation, Kilmelford, Argyll and Bute, Scotland, UK
28.2km (17.5 miles) ⓘLoch a'Mhinn, Kilmelford, Argyll and Bute, Scotland, UK
28.6km (17.8 miles) ⓘLonghill Quarry, Isle of Bute, Argyll and Bute, Scotland, UK
35.4km (22.0 miles) ⓘInverclip, Inverclyde, Scotland, UK
37.2km (23.1 miles) ⓘCraigmuschat quarry, Gourock, Inverclyde, Scotland, UK
39.7km (24.7 miles) ⓘGold and Copper trial, Carr Brae, Dornie, Lochalsh, Wester Ross， Strathpeffer and Lochalsh, Highland, Scotland, UK
40.5km (25.2 miles) ⓘGreat Cumbrae, North Ayrshire, Scotland, UK
41.6km (25.8 miles) ⓘCeum na Caillich, Glen Sannox, Isle of Arran, North Ayrshire, Scotland, UK
References
Starkey, R.E., Hubbard, N. (1998) Anilite, with botallackite and clinoatacamite, from Castletown mine, Lochgilphead, Scotland. Journal of the Russell Society, 7 (1) 38-40
 
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