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Mineralpedia Details for Berzeliite

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Berzeliite

Berzeliite

Named in honor of noted Swedish chemist and mineralogist Jons Jacob Berzelius. A rare mineral that occurs in metamorphosed iron-manganese orebodies in localities in Sweden, Switzerland, Italy, Kazakhstan, and Venezuela. Minerals associated with Berzeliite include hausmannite, rhodonite, tephroite, hedyphane, caryinite, manganoan biotite, langbanite, braunite, dolomite, barite, and calcite.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/berzeliite.pdf

Formula
NaCa2Mg2(AsO4)3 
Crystal System
Isometric 
Cleavage
None, None, None 
Luster
Resinous 
Color
orange, sulfur yellow 
Streak
white 
Class
Isometric - Hexoctahedral 
Fracture
Brittle - Conchoidal 
Hardness
4.5-5 
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Berzeliite from Långban, Filipstad, Värmland, Sweden

Berzeliite
            from Långban, Filipstad, Värmland, Sweden
Special Info
Type Locality,Ex. Paul Moore specimen.

Rich specimen with several orange crystal grains to 5mm in matrix. Ex. Paul Moore specimen, a renowned expert on Langban.

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