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Covellite On Jacobsite

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PJM40361

Covellite On Jacobsite

Description Tabs

Description
Locality: 
Iron Monarch Open Cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.9 × 3.1 × 2.1 cm
Description

Lusterous black jacobsite hexo-octahedra crystals line numerous cavities in the matrix, in one of these cavities metallic blue covellite crystals have formed over the jacobsite crystals

Mineral Data
What's on the rock

Covellite

Formula: 
CuS
Strunz: 
2.CA.05a
Crystal System: 
Hexagonal
Hardness: 
1.5 - 2.0
Type Locality: 
Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Jacobsite

Formula: 
Mn2+Fe3+2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.5
Type Locality: 
Jakobsberg Mine, Nordmark (Nordmarksberg), Filipstad, Värmland, Sweden
Earthstones Australia

Seller Information

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Seller's terms and conditions

All goods must be paid for prior to shipping, all bids are binding.