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Sérandite & Genthelvite

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CFL1056186

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.3 × 5.5 × 4.7 cm
Description

Rare specimen of serandite crystals associated with highly fluorescent green genthelvite (rich), rhodochrosite, aegirine, schizolite, and fluorescent polylithionite and microcrystals of fluorite.  Collected by Gilles Haineault in 2007.

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

Genthelvite

Formula: 
Zn4(Be3Si3O12)S
Strunz: 
9.FB.10
Hardness: 
6.0 - 6.5
Type Locality: 
West Cheyenne Canon, Cheyenne District (St. Peters Dome District), El Paso Co., Colorado, USA

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$60
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Start 30 Jun 18:00
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Shipping Information

Postage Area Price
Canada
$18
USA
$15
Europe
$25
Rest of World
$27

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