Origin
-
Southern and central Africa
Color
-
Yellow, Brown, White, Reddish, orange
Specific Gravity
3.21
3.13-3.75
Fracture
-
Subconchoidal, Uneven, Conchoidal
Cleavage
None
Poor on {100}
Chemical Composition
MnAsO4
(Mg,Fe2+ ) 9(SiO 4) 4(F,OH)) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous, Resinous
Transparency
-
Transparent, Translucent
Refractive Index
1.610-1.830
1.623-1.728
Crystal System
-
monoclinic
Birefringence
-9999
0.028
Neurological
-
Supports mental clarity and focus
Respiratory
Good
Excellent
Psychology
Courage
Emotional Healing
Healing
-
Emotional healing
Qualities Associated
Growth
Happiness