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
German Gully, Andamooka opal fields, Andamooka Station, Pastoral Unincorporated Area, South Australia, Australia


Locality type:Gully
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 German Gully, Andamooka opal fields, Andamooka Station, Pastoral Unincorporated Area, South Australia, Australia
Data Identifiers
Mindat Occurrence Record ID:101733
Long-form Identifier:1:3:101733:5
GUID (UUID V4):0
Nearest other occurrences of Opal
0.6km (0.4 miles) ⓘHorse Paddock diggings, Andamooka opal fields, Andamooka Station, Pastoral Unincorporated Area, South Australia, Australia
0.7km (0.4 miles) ⓘHard Hill opal field, Andamooka opal fields, Andamooka Station, Pastoral Unincorporated Area, South Australia, Australia
1.5km (1.0 miles) ⓘTreloars opal field, Andamooka opal fields, Andamooka Station, Pastoral Unincorporated Area, South Australia, Australia
40.9km (25.4 miles) ⓘStuart Creek Opal Diggings, Mulgaria, Pastoral Unincorporated Area, South Australia, Australia
References
 
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