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Olivenite & Malachite

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SLN516396

Olivenite & Malachite

Description Tabs

Description
Locality: 
Ibiajara District, Rio do Pires, Bahia, Brazil
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.3 × 6.7 × 5 cm
Weight: 
83.00gr
Description

Nice specimen with a myriad of prismatic elongated green olivenite crystals of excellent brightness associated with malachite in small balls. Crystals are present also on the back side of the piece

Mineral Data
What's on the rock

Olivenite

Formula: 
Cu2(AsO4)(OH)
Strunz: 
8.BB.30
Crystal System: 
Orthorhombic
Hardness: 
3.0
Type Locality: 
Carharrack Mine, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

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