Amblygonite
Hardness ( Moh )
" 5.5 - 6
Crystal System
TriclinicSpecific Gravity
2.98 - 3.11
Refractive Index
1.578 - 1.612
Birefringence
Colour(s)
White, Yellow, Gray, Bluish gray, Greenish gray.
Cleavage
Francture Type
Uneven,Sub-Conchoidal
Luster
Streak
White
Transparency
Transparent to Subtransparent to translucent
Formula
(Li,Na)Al(PO4)(F,OH)
Country
Found In Afghanistan,Angola,Argentina,Australia,Brazil,Burundi,Canada,China,Czech Republic,DR Congo,Egypt,Ethiopia,Finland,France,Germany,India,Italy,Japan,Kazakhstan,Madagascar,Mozambique,Myanmar,Namibia,Nigeria,North Korea,Norway,Portugal,Russia,Rwanda,South Africa,South Korea,Spain,Sweden,Uganda,UK,Ukraine,USA,Zimbabwe