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Genthelvite Eirikite Rhodochrosite Psm

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SYM828867

Genthelvite Eirikite Rhodochrosite Psm

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 2 × 3.5 cm
Description

White clusters of genthelvite with clear spray of eirikite and rhodochrosite pseudomorph after probably fluorite. 

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

Eirikite

Formula: 
KNa6Be2(Si15Al3)O39F2
Strunz: 
9.EH.25
Hardness: 
6.0 - 0.0
Streak: 
White
Type Locality: 
Eudidymite-Epididymite locality, Vesle Arøya, Langesundsfjorden, Larvik, Vestfold, Norway

Rhodochrosite

Formula: 
MnCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Cavnic Mine (Kapnikbánya), Cavnic (Kapnic; Kapnik), Maramureș Co., Romania