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Lanmuchangite

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SKY683509

Lanmuchangite

Rare Mineral

Description Tabs

Description
Locality: 
Crven Dol, Allchar, Ržanovo, Kavadarci Municipality, North Macedonia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.8 × 0.4 cm
Description

Colorless crystals of the extremely rare thallium mineral lanmuchangite from the second known locality for the mineral, the famous thallium deposit of Allchar, associated to red realgar. New discovery !

Lanmuchangite is a thallium aluminium sulphate.

PXRD and EDS analyzed, see copy enclosed. 

Mineral Data
What's on the rock

Lanmuchangite

Formula: 
Tl+Al(SO4)2·12H2O
Strunz: 
7.CC.20
Hardness: 
3.0 - 3.5
Streak: 
white
Type Locality: 
Lanmuchang Tl-Hg deposit, Xingren Co., Qianxi'nan Autonomous Prefecture, Guizhou Province, China...

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