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Behoite & Sérandite

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SYM144428

Behoite & Sérandite

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 1.5 cm
Description

Single crystals of behoite on serandite.

Mineral Data
What's on the rock

Behoite

Formula: 
Be(OH)2
Strunz: 
4.FA.05a
Crystal System: 
Orthorhombic
Hardness: 
4.0
Type Locality: 
Rode Ranch pegmatite, Llano Co., Texas, USA

Sérandite

Formula: 
Na(Mn2+,Ca)2(HSi3O9)
Strunz: 
9.DG.05
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Rouma Island (Roume Island; Roma Island; Ruma Island), Los Archipelago (Los Islands), Guinea