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Sérandite

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SYM768453

Sérandite

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 2.3 × 1.7 cm
Description

Nice terminated crystal of serandite from MSH.

Mineral Data
What's on the rock

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