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Cornwallite & Olivenite

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PAV900858

Cornwallite & Olivenite

New Discovery

Description Tabs

Description
Locality: 
Sitio do Cobre Mine, Vila Velha de Ródão, Castelo Branco District, Portugal
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 2 × 1.8 cm
Description

A new find at Sitio do Cobre Mine!

Beautiful cornwallite spheres associated to olivenite 'spears'.

EDS and XRD analyzed.

Collected: 
2021
Boxed with Label
Mineral Data
What's on the rock

Cornwallite

Formula: 
Cu5(AsO4)2(OH)4
Strunz: 
8.BD.05
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Wheal Gorland, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK

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