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-hornblende from
Bílina, Teplice District, Ústí nad Labem Region, Czech Republic


Locality type:Municipality
Classification
Species:Ferro-hornblende
Formula:◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ferro-hornblende data
Locality Data:Click here to view Bílina, Teplice District, Ústí nad Labem Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:864014
Long-form Identifier:1:3:864014:7
GUID (UUID V4):0
References
www.handbookofmineralogy.com (2012) http://www.handbookofmineralogy.com/pdfs/ferrohornblende.pdf
 
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