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Apophyllite Prehnite & Garnet

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PMN753156

Apophyllite Prehnite & Garnet

New Discovery

Description Tabs

Description
Locality: 
Shijiangshan Mine, Hexigten Banner, Chifeng City, Inner Mongolia, China (Peoples Republic)
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 6 × 6 cm
Largest Crystal: 
1.00cm
Weight: 
180.00gr
Description

I was super impressed when I unpacked this shipment (only a few dozen pieces) and realised what a great combination of minerals was in there. The contrast of white Prehnite and Apophyllite with the deep red of the garnets is very pleasing, but up close inspection makes you appreciate the mixture of apophyllite and prehnite. A rare combination and a nice surprise from this promising deposit that may have a lot more in store for us in the future. Don't miss out on one of those, there are only a few available.

Mineral Data
What's on the rock

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

Prehnite

Formula: 
Ca2Al2Si3O10(OH)2
Strunz: 
9.DP.20
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Karoo dolerites, Cradock, Chris Hani District, Eastern Cape Province, South Africa