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Lavendulan

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SUR33922

Lavendulan

Ex Barry Gamble

Description Tabs

Description
Locality: 
Cligga Mine, Perranzabuloe, Cornwall, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 4.5 × 4 cm
Description

A quartzite and arsenopyrite matrix with turquoise blue lavendulan and a vitreous olive green mineral that may be arthurite, but has not been confirmed.

Collected from stopes below No.2 level 1994. Comes with two previous labels.

Mineral Data
What's on the rock

Lavendulan

Formula: 
NaCaCu5(AsO4)4Cl·5H2O
Strunz: 
8.DG.05
Hardness: 
2.5
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic
Surrey Minerals