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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Augite from
Gribun dike, Isle of Mull, Argyll and Bute, Scotland, UK


Locality type:Dike
Classification
Species:Augite
Formula:(CaxMgyFez)(Mgy1Fez1)Si2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Augite data
Locality Data:Click here to view Gribun dike, Isle of Mull, Argyll and Bute, Scotland, UK
Data Identifiers
Mindat Occurrence Record ID:308608
Long-form Identifier:1:3:308608:7
GUID (UUID V4):0
Nearest other occurrences of Augite
7.4km (4.6 miles) ⓘMaol nan Damh, Ben More, Isle of Mull, Argyll and Bute, Scotland, UK
10.4km (6.5 miles) ⓘPennygael, Isle of Mull, Argyll and Bute, Scotland, UK
12.4km (7.7 miles) ⓘFingal's Cave, Isle of Staffa, Argyll and Bute, Scotland, UK
20.0km (12.4 miles) ⓘ'S Airde Beinn, Isle of Mull, Argyll and Bute, Scotland, UK
31.0km (19.2 miles) ⓘCamphouse, Ardnamurchan, Fort William and Ardnamurchan, Highland, Scotland, UK
33.0km (20.5 miles) ⓘArdnamurchan, Fort William and Ardnamurchan, Highland, Scotland, UK
38.9km (24.2 miles) ⓘReasagbuie dike, Colonsay dikes, Isle of Colonsay, Argyll and Bute, Scotland, UK
40.7km (25.3 miles) ⓘLower Kilchattan dike, Colonsay dikes, Isle of Colonsay, Argyll and Bute, Scotland, UK
83.6km (51.9 miles) ⓘLoch Hourn Complex, Highland, Scotland, UK
85.5km (53.1 miles) ⓘCnoc Rhaonastil Intrusion, Isle of Islay, Argyll and Bute, Scotland, UK
References
B.G.J. Upton et al. , Journal of the Geological Society, 1998, V 155, N° 5, pp 813-828.
Upton, B. G. J., Aspen, P., Rex, D. C., Melcher, F., & Kinny, P. (1998). Lower crustal and possible shallow mantle samples from beneath the Hebrides: evidence from a xenolithic dyke at Gribun, western Mull. Journal of the Geological Society, 155(5), 813-828. doi.org/10.1144/gsjgs.155.5.0813
 
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