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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Opal from
Diatomite deposit, Lillicur, Avoca, Pyrenees Shire, Victoria, Australia


Locality type:Deposit
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Diatomite deposit, Lillicur, Avoca, Pyrenees Shire, Victoria, Australia
Data Identifiers
Mindat Occurrence Record ID:101727
Long-form Identifier:1:3:101727:4
GUID (UUID V4):0
Nearest other occurrences of Opal
28.0km (17.4 miles) Glengower, Hepburn Shire, Victoria, Australia
41.0km (25.5 miles) Miners Rest Quarry, Miners Rest, City of Ballarat, Victoria, Australia
65.2km (40.5 miles) White Swan pegmatite mine, Mount Kooyoora, Brenanah, Loddon Shire, Victoria, Australia
67.1km (41.7 miles) Skipton Caves, Mount Widderin, Skipton, Corangamite Shire, Victoria, Australia
70.1km (43.6 miles) Trentham Falls, Trentham, Hepburn Shire, Victoria, Australia
70.5km (43.8 miles) Spring Hill, Macedon Ranges, Victoria, Australia
74.6km (46.3 miles) Rollinsons quarry, Malmsbury, Macedon Ranges Shire, Victoria, Australia
74.9km (46.5 miles) Malmsbury Quarry, Malmsbury, Macedon Ranges Shire, Victoria, Australia
98.1km (60.9 miles) Lethbridge quarry, Lethbridge, Golden Plains Shire, Victoria, Australia
References
 
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