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Stibnite In Precious Opal

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MNR739202

Stibnite In Precious Opal

Description Tabs

Description
Locality: 
Dubník, Červenica, Prešov County, Prešov Region, Slovakia (Slovak Republic)
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.7 × 7 × 5 cm
Description

Radial aggregates of stibnite embed in precious opal. Large piece, extremely rare combination! Only couple pieces are known (usually tiny size). Old time find.

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Mineral Data
What's on the rock

Stibnite

Formula: 
Sb2S3
Strunz: 
2.DB.05
Hardness: 
2.0
Streak: 
Lead grey

Precious Opal

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