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Connellite & Botallackite

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Connellite & Botallackite

Description Tabs

Description
Locality: 
Penpol Lead Smelter, Penpol, Cornwall, United Kingdom
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 2 cm
Description

An interesting little specimen of smelt slag from the old copper & lead smelter on the banks of The Penpol Creek.

The specimen is largely of cuprite which has numerous air holes lined with acicular connellite and crystalline botallackite.

Wonderful under a lens.

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

Botallackite

Formula: 
Cu2(OH)3Cl
Strunz: 
3.DA.10b
Hardness: 
0.0
Type Locality: 
Wheal Cock, Botallack Mine, Botallack, St Just, St Just District, Cornwall, England, UK
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