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Corundum Var Sapphire

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LGM840497

Corundum Var Sapphire

Ex Dr. Krantz, Bonn, Germany
With Antique Label

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Description Tabs

Description
Locality: 
Kyshtym, Chelyabinsk Oblast, Russian Federation
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.5 × 1.1 cm
Largest Crystal: 
1.50cm
Weight: 
7.50gr
Description

Two blueish single crystals of corundum.
Size is given for the larger one (pics 4-7), the size of the smaller one (pics 2 & 3) is 1.0 x 0.8 x 0.8 cm.

Comes with antique Krantz label dated 1900-1920. The label means: "Korund - Fluss Borsowka - Kischtimsk Warka Ural - zusammen 12 M" (Corundim - Borsovka river - Kischtimsk Warka Ural - together 12 Marks). The lot originally consisted of 5 crystals ("5 xx"), but three of them have already been sold by Krantz.

Mineral Data
What's on the rock

Corundum

Formula: 
Al2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
9.0
Streak: 
White

Sapphire

Variety Of: 

Corundum

Formula: 
Al2O3
Strunz: 
4.CB.05
Hardness: 
9.0
Formula: 
Al2O3
Hardness: 
0.0

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Thank you for viewing my auctions! Maintaining high standards in customer service is extremely important to me. If shipping takes longer than expected, please contact me. It is possible to file an investigation request, and during nearly ten years of e-rocks NO parcel was finally lost.

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I will happily do all in my power to resolve the situation to your satisfaction.

+++IMPORTANT+++
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