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Amethyst & Apophyllite

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FRN128092

Amethyst & Apophyllite

Description Tabs

Description
Locality: 
Fengjiashan Mine, Daye County, Huangshi, Hubei Province, China (Peoples Republic)
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 3.4 × 3.3 cm
Largest Crystal: 
1.00cm
Description

Cluster of gemmy transparent amethyst quartz crystal associate with sharp lustrous and transparent pink crystal of apophyllite, this type of amethyst is comes from Daye aedelforsite ore which has been stop mining for years.

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