Well crystallized Hambergite is not often seen around the world, and good gem crystals are even harder to find. This piece is an attractive cluster of Hambergite crystals up to 2,1 cm long, well shaped, many mostly trasparent. A good example of this rare Beryllium Borate from Pakistan
Formula :
Be2[(OH,F)/BO3]
System: orthorhombic Hardness:7½ Rarity:rare
Strunz id:V/L.2-10 -
NITRATES, CARBONATES and BORATES
Name origin: After Axel Hamberg (1863-1933), Swedish mineralogist and geographer, who drew attention to the first specimens.
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 Specimen weight:20 gr.
 Crystal size:Up to 2,1 cm long
 Overall size: 28mm x 38 mm x 45 mm
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