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1 item @ $125.00  

Beryllonite with Albite & Herderite

#48424

Beryllonite with Albite & Herderite

#48424
Availability
Sold
Size
5.5 x 4.5 x 4.5 cm - Sm Cabinet 
Formula
NaBePO4 (RRUFF)
Locality
Black Mountain pegmatite, Rumford, Oxford Co., Maine, United States
Tagged
phosphate , beryllium , pegmatite mineral

Colorless partially etched 5mm crystal grains with faces on cleavelandite Albite and brown rosettes of possible Herderite.

Beryllonite

Formula
NaBePO4 
Crystal System
Monoclinic 
Cleavage
Perfect, Good, Perfect 
Luster
Vitreous - Pearly 
Color
colorless, white, light yellow 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
5.5-6 

Data courtesy of Webmineral.

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