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Unnamed (Cu-S-Si-O-H) & Connellite

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PAV937646

Unnamed (Cu-S-Si-O-H) & Connellite

Classic Locality

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: 
2.4 × 1.7 × 1.2 cm
Description

Beautiful sample!

Several vugs filled with connellite 'urchins' and sky blue hexagonal crystals of the Unnamed (Cu-S-Si-O-H), a slag phase described by Uwe Kolistch: 

Kolitsch, U. (2016): 1965) Gearksutit, nadeliger Magnetit und die unbenannte Cu-Si-S-O-H-Phase aus der Schlacke von St. Martin am Silberberg, Kärnten. Pp. 210-211 in Walter, F. et al. (2016): Neue Mineralfunde aus Österreich LXV. Carinthia II, 206./126., 203-250.

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

Connellite

Formula: 
Cu19(SO4)(OH)32Cl4·3H2O
Strunz: 
3.DA.25
Crystal System: 
Hexagonal
Hardness: 
3.0
Type Locality: 
Wheal Providence, Providence Mines, Carbis Bay, St Ives, St Ives District, Cornwall, England, UK