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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Ferro-actinolite from
Meldon Quarry, Okehampton Hamlets, West Devon, Devon, England, UK


Locality type:Quarry
Classification
Species:Ferro-actinolite
Formula:◻Ca2Fe52+(Si8O22)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ferro-actinolite data
Locality Data:Click here to view Meldon Quarry, Okehampton Hamlets, West Devon, Devon, England, UK
Data Identifiers
Mindat Occurrence Record ID:13650
Long-form Identifier:1:3:13650:9
GUID (UUID V4):0
References
www.mineralman.f9.co.uk (2001) http://www.mineralman.f9.co.uk/quarries/meldon.htm
 
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