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Genthelvite with Chiavennite

#BAC62149
SOLD
Genthelvite from Tvedalen, Larvik, Vestfold, Norway - BAC62149
Genthelvite from Tvedalen, Larvik, Vestfold, Norway - BAC62149

Genthelvite with Chiavennite

#BAC62149
Availability
Sold
Size
3.8 x 2.3 x 2 cm - Miniature 
Formula
Be3Zn4(SiO4)3S (RRUFF)
Locality
Tvedalen, Larvik, Vestfold, Norway
Tagged
beryllium

Excellent red Genthelvite crystals to 1mm with associated orange rosettes of Chiavennite.

Genthelvite

Formula
Be3Zn4(SiO4)3S 
Crystal System
Isometric 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
blue green, brown, colorless, green, yellow 
Streak
white 
Class
Isometric - Hextetrahedral 
Fracture
Brittle - Uneven 
Hardness
6-6.5 

Data courtesy of Webmineral.

Collection
William & Anne Cook Collection
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