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0 item @ $0.00  

Chiavennite with Helvine, & Analcime

#40823

Chiavennite with Helvine, & Analcime

#40823
Availability
Sold
Size
7 x 6 x 3 cm - Sm Cabinet 
Formula
CaMn2+(BeOH)2Si5O13·2H2O (RRUFF)
Locality
Tvedalen, Larvik, Vestfold, Norway
Tagged
beryllium , pegmatite mineral

Orange tiny rosettes of Chiavennite on and with Helvine, both are rare beryllium minerals. There are also areas lined with light orange coatings of Chiavennite.

Chiavennite

Formula
CaMn2+(BeOH)2Si5O13·2H2
Crystal System
Orthorhombic 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
yellow, orange, red orange 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Hardness

Data courtesy of Webmineral.

Other Sold

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