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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Amethyst from
Ardownie Quarry, Monifieth, Angus, Scotland, UK


09527180017272008139473.jpg
Amethyst

Ardownie Quarry, Monifieth, Angus, Scotland, UK
09527180017272008139473.jpg
Amethyst

Ardownie Quarry, Monifieth, Angus, Scotland, UK
09527180017272008139473.jpg
Amethyst

Ardownie Quarry, Monifieth, Angus, Scotland, UK
Locality type:Quarry
Classification
Species:Quartz var: Amethyst
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Amethyst data
Locality Data:Click here to view Ardownie Quarry, Monifieth, Angus, Scotland, UK
Data Identifiers
Mindat Occurrence Record ID:47231
Long-form Identifier:1:3:47231:3
GUID (UUID V4):0
Nearest other occurrences of Amethyst
21.8km (13.5 miles) ⓘLuthrie, Fife, Scotland, UK
23.3km (14.5 miles) ⓘNorman's Law, Cupar, Fife, Scotland, UK
30.3km (18.8 miles) ⓘNewburgh, Fife, Scotland, UK
32.9km (20.4 miles) ⓘScurdie Ness, Montrose, Angus, Scotland, UK
38.2km (23.7 miles) ⓘBinn Hill, Glenfarg, Perth and Kinross, Scotland, UK
49.3km (30.7 miles) ⓘNorth Berwick, East Lothian, Scotland, UK
53.0km (33.0 miles) ⓘPettycur, Fife, Scotland, UK
54.9km (34.1 miles) ⓘBurnt-Island, Fife, Scotland, UK
55.6km (34.6 miles) ⓘBarras Quarry (Cotbank Quarry), Bruxie Hill, Stonehaven, Aberdeenshire, Scotland, UK
57.8km (35.9 miles) ⓘWilkiehaugh, Scottish Borders, Scotland, UK
References
Dennis Scott collection.
Ingram, S. M. (1994) Agates from Ardownie quarry, Monifieth, Tayside, Scotland. UK Journal of Mines and Minerals 14, 17-20
 
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