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Rossmanite

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SHS135963

Rossmanite

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Description
Locality: 
Laštovicky, Rousměrov, Žďár nad Sázavou, Vysočina Region, Czech Republic
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 0.6 × 0.4 cm
Description

Nice bulk of rossmanite crystals

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
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