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Hyalite Psm Aragonite & Hyalite

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GMN786191

Hyalite Psm Aragonite & Hyalite

Description Tabs

Description
Locality: 
Kopasz Hill, Tállya, Zemplén Mountians, Borsod-Abaúj-Zemplén County, Hungary
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
15 × 6 × 8 cm
Description

Cauliflower shape huge aggregate of hyalite psm. after calcite framed by very aesthetic water clear hyalite. Excellent piece from the locality.

Mineral Data
What's on the rock

Hyalite

Variety Of: 

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Formula: 
SiO2·nH2O
Hardness: 
5.5 - 6.5
Streak: 
white

Aragonite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.15
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Type Locality: 
Gallo river, Molina de Aragón, Guadalajara, Castile-La Mancha, Spain

Seller Information

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