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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Heulandite Subgroup from
Cape Paterson, Bass Coast Shire, Victoria, Australia


Classification
Species:'Heulandite Subgroup' (not an IMA approved species)
Formula:(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Heulandite Subgroup data
Locality Data:Click here to view Cape Paterson, Bass Coast Shire, Victoria, Australia
Data Identifiers
Mindat Occurrence Record ID:89889
Long-form Identifier:1:3:89889:4
GUID (UUID V4):0
Nearest other occurrences of Heulandite Subgroup
35.5km (22.1 miles) ⓘSunderland Bluff, Phillip Island, Bass Coast Shire, Victoria, Australia
37.0km (23.0 miles) ⓘSmith Bluff, Phillip Island, Bass Coast Shire, Victoria, Australia
38.1km (23.7 miles) ⓘPyramid Rock, Phillip Island, Bass Coast Shire, Victoria, Australia
38.9km (24.2 miles) ⓘRed Bluff, Phillip Island, Bass Coast Shire, Victoria, Australia
39.3km (24.4 miles) ⓘRedcliff Head (Red Cliff Head), Phillip Island, Bass Coast Shire, Victoria, Australia
40.1km (24.9 miles) ⓘBerrys Beach, Phillip Island, Bass Coast Shire, Victoria, Australia
41.5km (25.8 miles) ⓘHelens Head, Phillip Island, Bass Coast Shire, Victoria, Australia
References
Gill, E. D., (1957) Fossil wood replaced by laumontite near Cape Paterson, Victoria. Proc. Roy. Soc. Victoria, vol. 69, pp.33-35
 
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