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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Laumontite from
Pennycross sapphire occurrence (Sgeir an Fhèidh to Crois an Ollaimb), Loch Scridain area, Isle of Mull, Argyll and Bute, Scotland, UK


Locality type:Outcrop
Classification
Species:Laumontite
Formula:CaAl2Si4O12 · 4H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Laumontite data
Locality Data:Click here to view Pennycross sapphire occurrence (Sgeir an Fhèidh to Crois an Ollaimb), Loch Scridain area, Isle of Mull, Argyll and Bute, Scotland, UK
Data Identifiers
Mindat Occurrence Record ID:861985
Long-form Identifier:1:3:861985:3
GUID (UUID V4):0
Nearest other occurrences of Laumontite
6.3km (3.9 miles) ⓘBeinn na Sreine, Ardmeanach, Isle of Mull, Argyll and Bute, Scotland, UK
9.8km (6.1 miles) ⓘCreag Brimishgan, Loch Na Keal, Isle of Mull, Argyll and Bute, Scotland, UK
95.6km (59.4 miles) ⓘSgurr nam Boc, Glen Brittle, Minginish, Isle of Skye, Eilean á Chèo, Highland, Scotland, UK
98.8km (61.4 miles) ⓘMarsco, Sligachan, Isle of Skye, Eilean á Chèo, Highland, Scotland, UK
99.2km (61.6 miles) ⓘPort Glasgow, Inverclyde, Scotland, UK
References
 
and/or  
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