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Corundum Var Sapphire With Ruby & Spinel

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DLG646400

Corundum Var Sapphire With Ruby & Spinel

Description Tabs

Description
Locality: 
Kola Peninsula, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.3 × 4.8 × 3.7 cm
Description

Blue crystals of corundum in marble. I do not know exactly in which part of the Kola Peninsula this sample is produced. I have only one such sample to offer it at auction.

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

Ruby

Variety Of: 

Corundum

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

Spinel

Formula: 
MgAl2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
7.5 - 8.0

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

All according to auction rules.If you have questions, or you still want additional photos of minerals, please write.I will try to make sure that you are satisfied with your purchase. For this:
-I will not use any software products to embellish the sample;
-maximum accurately report the size of the sample;
-to measure my knowledge and experience and according to my opinion, honestly make a description.

If you do not like the sample, then I'm ready to give you money back. But, please note that you must inform me of your intentions to return the item, not later than 5 days after its receipt. Otherwise I will consider the transaction to be complete. Return shipping of the item is paid by the buyer. The item must be sent in the same condition as it was received. The buyer is responsible for the return shipping.

 

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