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Genthelvite & Eudidymite

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CFL1075312

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Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2.4 × 1.4 cm
Description

Very nice specimen of fluorescent white genthelvite crystals associated with eudidymite, aegirine and fluorescent polylithionite.  Collected in 1999.

Mineral Data
What's on the rock

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

Eudidymite

Formula: 
Na2Be2Si6O15·H2O
Strunz: 
9.DG.60
Hardness: 
6.0
Type Locality: 
Eudidymite locality, Lille Arøya (Midtre Arøy; Øvre Arøy; Övre-Arö), Langesundsfjorden, Larvik, Vestfold, Norway

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Shipping Information

Postage Area Price
Canada
$16
USA
$13
Europe
$15
Rest of World
$17

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