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Corundum Var Ruby On Graphite

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ATH1092919

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Description
Locality: 
Graphite Quarry, Amstall, Krems-Land District, Lower Austria, Austria
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 3 × 2.2 cm
Weight: 
22.00gr
Description

Corundum var ruby in black graphite-matrix from findings of 2021 in Amstall.

The main crystal in the center has a lenght of 2 cm and is well extracted from the matrix.

Ligtened with an UV-source the Corundum shows an intense red colour.

Mineral Data
What's on the rock

Corundum

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

Ruby

Variety Of: 

Corundum

Formula: 
Al2O3
Strunz: 
4.CB.05
Hardness: 
9.0
Formula: 
Al2O3
Crystal System: 
Hexagonal
Hardness: 
9.0
Colour: 
Red

Graphite

Formula: 
C
Strunz: 
1.CB.05a
Crystal System: 
Hexagonal
Hardness: 
1.0 - 2.0

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€10
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Shipping Information

Postage Area Price
AT 2 kg
€5
EU 2 kg
€16
Rest of Europe 2 kg
€19
USA, Canada, Japan, South Korea 1 kg
€22
Australia, New Zealand, Rest of World 1 kg
€29

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