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Tangdanite Yakhontovite Azurite

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SMM1040106

Tangdanite Yakhontovite Azurite

Description Tabs

Description
Locality: 
San Rafael Claim, Villahermosa del Rio, Castellón, Valencian Community, Spain
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2 × 2 cm
Description

Nice groups of  turquoise-green lamellar crystals of tangdanite with blue azurite and brownish yakhontovite, a silicate of the smectite groups. Really it is not a beautiful mineral but it's not a spread species, it's found in only 7 or 8 locality in the world, here it is shown as brownish earthy small masses. Good sample.

Boxed with Label
Mineral Data
What's on the rock

Tangdanite

Formula: 
Ca2Cu9(AsO4)4(SO4)0.5(OH)9·9H2O
Hardness: 
0.0
Type Locality: 
Tangdan Mine, Dongchuan Cu ore field, Dongchuan District, Kunming Prefecture, Yunnan Province, China

Yakhontovite

Formula: 
(Ca,Na)0.5(Cu,Fe,Mg)2(Si4O10)(OH)2·3H2O
Strunz: 
9.EC.40
Crystal System: 
Monoclinic
Hardness: 
2.0 - 3.0
Type Locality: 
Pridorozhnoye Sn deposit, Komsomolski ore District, Khabarovskiy Kray, Far-Eastern Region, Russia

Azurite

Formula: 
Cu3(CO3)2(OH)2
Strunz: 
5.BA.05
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Chessy copper mines, Chessy-les-Mines, Le Bois d'Oingt, Rhône, Rhône-Alpes, France...

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Start 01 May 18:00
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Shipping Information

Postage Area Price
Italy up to 100 g. €.9.00 - up to 250 g. €.10.00
10
Europe up to 100 g. €.12.00 - up to 250 €.14.00
12
America, Africa, Asia, up to 100g. €.14.00 up to 250g. €.18.00
14
Australia,N.Zeland,Oceania,up to100 g.€.15.00 up to 250g.€.19.00
15

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