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Quartz Psm Apophyllite

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SHS29275

Quartz Psm Apophyllite

Description Tabs

Description
Locality: 
Baga Diggings, Arrondissement Diakon, Cercle de Bafoulabé, Kayes Region, Mali
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 2.9 × 2 cm
Description

White quartz pseudomorph after apophyllite on a green epidote crystal

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Apophyllite

Synonym Of: 

Fluorapophyllite-(K)

Formula: 
KCa4(Si8O20)(F,OH)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.5 - 5.0

Fluorapophyllite-(Na)

Formula: 
NaCa4(Si8O20)F·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0

Hydroxyapophyllite-(K)

Formula: 
KCa4(Si8O20)(OH,F)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0