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Opal & Wood Opal

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MBM825334

Opal & Wood Opal

From an old collection of a doctor in chemistry from 1900-1930
Classic Locality

Description Tabs

Description
Locality: 
Třebíč, Vysočina Region, Czech Republic
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
13 × 8 × 3 cm
Description

Holzopal von Trebitsch, Mähren

Mineral Data
What's on the rock

Opal

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

Wood Opal

Variety Of: 

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Hardness: 
0.0

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Seller Shipment Germany 6,00 EUR  Europe 9,00 EUR Worldwide shipment 12,00 EUR