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Trilithionite

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GND34397

Trilithionite

Description Tabs

Description
Locality: 
Londonderry Li Deposit, Nepean, Western Australia, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 4.6 × 3.7 cm
Description

Pretty mauve compacted crystals of this rare lithium mica occur with patches of white calcite. This specimen displays very well.

The Londonderry deposit occurs within one of several pegmatite outcrops in the area.

Mineral Data
What's on the rock

Trilithionite

Formula: 
K(Li1.5Al1.5)(AlSi3O10)(F,OH)2
Strunz: 
9.EC.20
Crystal System: 
Monoclinic
Hardness: 
0.0
Gondwana Minerals