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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Emerald from
Ankeba emerald mine, Ambalahosy Nord, Mananjary District, Vatovavy, Madagascar


Locality type:Mine
Classification
Species:Beryl var: Emerald
Formula:Be3Al2(Si6O18)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Emerald data
Locality Data:Click here to view Ankeba emerald mine, Ambalahosy Nord, Mananjary District, Vatovavy, Madagascar
Data Identifiers
Mindat Occurrence Record ID:217233
Long-form Identifier:1:3:217233:0
GUID (UUID V4):0
References
Grundmann, Günter (2001) Die Smaragde der Welt. Extra Lapis 21. Christian Weise Verlag p.26-37.
(2002) Emeralds of the World. extraLapis English 2. Lapis International LLCpp.24-35
 
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