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Rossmanite

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SHS1067472

Rossmanite

Description Tabs

Description
Locality: 
Rožná Pegmatite, Žďár nad Sázavou, Vysočina Region, Czech Republic
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 5.5 × 5 cm
Description

Nice rossmannite in pegmatite matrix

Mineral Data
What's on the rock

Rossmanite

Formula: 
☐(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White.
Type Locality: 
Rožná pegmatite (Rozna; Roschna), Žďár nad Sázavou, Vysočina Region, Moravia (Mähren; Maehren), Czech Republic