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Dioptase & Willemite & Calcite

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OCM1025146

Dioptase & Willemite & Calcite

Description Tabs

Description
Locality: 
Mindouli, Pool Region, Congo (Republic)
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.2 × 3.1 × 2.5 cm
Description

Cluster of one bigger dioptase crystal with accompanying abundant greenish willemite crystals on the calcite matrix. Highly fluorescent in short and long UV wave light.

Mineral Data
What's on the rock

Dioptase

Formula: 
CuSiO3·H2O
Strunz: 
9.CJ.30
Crystal System: 
Trigonal
Hardness: 
5.0
Streak: 
Green
Type Locality: 
Altyn-Tyube dioptase deposit (Altyn-Tube), Altyn-Tyube area, Kirghiz Steppes (Asiatic Steppes), Karagandy Province (Qaragandy Oblysy; Karaganda Oblast'), Kazakhstan...

Willemite

Formula: 
Zn2SiO4
Strunz: 
9.AA.05
Hardness: 
5.5
Streak: 
White
Type Locality: 
Vieille Montagne (Altenberg; Kelmisberg), Moresnet, Kelmis, Plombières-Vieille Montagne District (Plombières-Altenberg), Verviers, Liège Province, Belgium

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

We accept return if you are not satisfied with your purchase or a specimen is broken during transport. After you received the specimen you have 14 days to make a decision, then please inform us by an e-mail and we will arrange the refund.

When an auction is closed, you will received an invoice with a value of the specimen. Payments has to be made within 7 days after auction is closed. If you have not finished shopping on our account, please let us know how long you wish to keep your shopping cart open. Inform us by an e-mail that you are still bidding or for any reason your payment is going to be delayed. 

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