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Tounkite

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SHS520987

Tounkite

Description Tabs

Description
Locality: 
Slyudyanka, Lake Baikal, Irkutsk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 3 × 2 cm
Description

Tounkite crystals on matrix

Mineral Data
What's on the rock

Tounkite

Formula: 
(Na,Ca,K)8(Al6Si6O24)(SO4)2Cl·H2O
Strunz: 
9.FB.05
Crystal System: 
Hexagonal
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Malo-Bystrinskoe lazurite deposit, Malaya Bystraya River Valley, Slyudyanka (Sludyanka), Lake Baikal area, Irkutskaya Oblast', Prebaikalia (Pribaikal'e), Eastern-Siberian Region, Russia...