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Apophyllite On Quartz

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CAM200608

Apophyllite On Quartz

Description Tabs

Description
Locality: 
Talnakh, Noril'sk, Putoran Plateau, Taimyr Peninsula, Krasnoyarsk Krai, Russian Federation
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 8 × 2.8 cm
Largest Crystal: 
1.00cm
Description

A very unusual locality piece from Talnakh.
A plate of quartz has a good coverage of gemmy, well-formed, water-clear apophyllite crystals up to 1 cm.
The backside has a rich coverage of highly lustrous small sphalerite crystals.

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

Quartz

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

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