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Amethyst With Apophyllite

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FRN96960

Amethyst With Apophyllite

Description Tabs

Description
Locality: 
Daye County, Huangshi, Hubei Province, China (Peoples Republic)
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 1.8 × 1.6 cm
Description

The gemmy, transparent and completely terminated crystal of amethyst with flocculence inclusion is partly coated by sparkling apophyllite crystals.

Mineral Data
What's on the rock

Amethyst

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
SiO2
Hardness: 
0.0
Colour: 
Purple

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
Oriental Minerals