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Volborthite Cyanotrichite & Brochantite

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SKM931933

Volborthite Cyanotrichite & Brochantite

Rare Mineral

Description Tabs

Description
Locality: 
Minancos Mine, Barrancos, Beja District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2 × 1.5 cm
Description

3 in 1 specimen. On matrix you can see yellow crystals of volborthite, blue crystals of cyanotrichite and green crystals of brochantite from Minancos Mine, Portugal.  

Mineral Data
What's on the rock

Volborthite

Formula: 
Cu3(V2O7)(OH)2·2H2O
Strunz: 
8.FD.05
Hardness: 
3.5
Type Locality: 
Sofronovskii Cu Mine, Yugovskii Zavod, Perm', Permskaya Oblast', Middle Urals, Urals Region, Russia...

Cyanotrichite

Formula: 
Cu4Al2(SO4)(OH)12·2H2O
Strunz: 
7.DE.10
Crystal System: 
Orthorhombic
Hardness: 
1.0 - 3.0
Type Locality: 
Moldova Nouă (Neumoldowa), Moldova Nouă-Sasca Cu-Mo ore field, Banat Mts, Caraş-Severin Co., Romania

Brochantite

Formula: 
Cu4(SO4)(OH)6
Strunz: 
7.BB.25
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Mednorudyanskoye Cu Deposit, Nizhnii Tagil, Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...

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Start 14 Jan 18:00
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Slovakia
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Czech Republic
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Europe
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Worldwide
12

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