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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Prehnite from
An Gearna, Ben More, Isle of Mull, Argyll and Bute, Scotland, UK


07172360017362104225545.jpg
Prehnite, etc.

An Gearna, Ben More, Isle of Mull, Argyll and Bute, Scotland, UK
08091290017362104236466.jpg
Prehnite, etc.

An Gearna, Ben More, Isle of Mull, Argyll and Bute, Scotland, UK
04226070017857612768352.jpg
Prehnite, etc.

An Gearna, Ben More, Isle of Mull, Argyll and Bute, Scotland, UK
02613990017272007802884.jpg
Prehnite, etc.

An Gearna, Ben More, Isle of Mull, Argyll and Bute, Scotland, UK
09178310017369363417810.jpg
Prehnite, etc.

An Gearna, Ben More, Isle of Mull, Argyll and Bute, Scotland, UK
01711760017856645521805.jpg
Prehnite, etc.

An Gearna, Ben More, Isle of Mull, Argyll and Bute, Scotland, UK
02613990017272007802884.jpg
Prehnite, etc.

An Gearna, Ben More, Isle of Mull, Argyll and Bute, Scotland, UK
08091290017362104236466.jpg
Prehnite, etc.

An Gearna, Ben More, Isle of Mull, Argyll and Bute, Scotland, UK
04226070017857612768352.jpg
Prehnite, etc.

An Gearna, Ben More, Isle of Mull, Argyll and Bute, Scotland, UK
Locality type:Occurrence
Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Epidote3
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view An Gearna, Ben More, Isle of Mull, Argyll and Bute, Scotland, UK
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:8827
Long-form Identifier:1:3:8827:5
GUID (UUID V4):0
Nearest other occurrences of Prehnite
2.5km (1.6 miles) ⓘBen More, Isle of Mull, Argyll and Bute, Scotland, UK
2.9km (1.8 miles) ⓘMaol nan Damh, Ben More, Isle of Mull, Argyll and Bute, Scotland, UK
3.2km (2.0 miles) ⓘBeinn Fhada, Ben More, Isle of Mull, Argyll and Bute, Scotland, UK
3.4km (2.1 miles) ⓘCreag Brimishgan, Loch Na Keal, Isle of Mull, Argyll and Bute, Scotland, UK
4.1km (2.5 miles) ⓘScarisdale wood (Scarisdale beach), Loch na Keal, Isle of Mull, Argyll and Bute, Scotland, UK
4.4km (2.7 miles) ⓘCreag Mhor (Creag Thor), Isle of Mull, Argyll and Bute, Scotland, UK
10.5km (6.5 miles) ⓘSalen, Isle of Mull, Argyll and Bute, Scotland, UK
13.6km (8.4 miles) ⓘCarsaig Bay, Carsaig, Isle of Mull, Argyll and Bute, Scotland, UK
29.6km (18.4 miles) ⓘCamphouse, Ardnamurchan, Fort William and Ardnamurchan, Highland, Scotland, UK
82.1km (51.0 miles) ⓘSgurr nan Cearcall, Cuillin Hills, Minginish, Isle of Skye, Eilean á Chèo, Highland, Scotland, UK
References
McLintock, W.F.P. (1915) On the Zeolites and associated minerals from the Tertiary lavas around Ben More, Mull. Transactions of the Royal Society of Edinburgh, Vol.LI-Part I- (No.1), 33 pages plus plates.
 
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