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Turquoise & Prase Opal

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MBM827864

Turquoise & Prase Opal

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

Description Tabs

Description
Locality: 
Szklary, Ząbkowice Śląskie County, Lower Silesian Voivodeship, Poland
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
10.5 × 5.5 × 2 cm
Description

"Türkis und Opal from Frankenstein, Schlesien" according to the German label

Mineral Data
What's on the rock

Turquoise

Formula: 
Cu(Al,Fe3+)6(PO4)4(OH)8·4H2O
Strunz: 
8.DD.15
Crystal System: 
Triclinic
Hardness: 
5.0 - 6.0

Prase 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