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Liroconite

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CR543233

Liroconite

Classic Locality

Description Tabs

Description
Locality: 
Wheal Gorland, St Day, Cornwall, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 3.4 × 1.9 cm
Description

A gossan quartz matrix has its upper half covered in quite nicely isolated crystals of liroconite to 4 mm across. With some smaller vugs on the back side of the specimen.

Great coverage and colour, with some excellent crystals on display.

Truely a very good old specimen with label from Franz-Georg Ulses.

Ex Eggerth collection - acquired circa 1887

Mineral Data
What's on the rock

Liroconite

Formula: 
Cu2Al(AsO4)(OH)4·4H2O
Strunz: 
8.DF.20
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Type Locality: 
Wheal Gorland, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK