Origin
Southern and central Africa
Southern and central Africa
Color
Brown, Brownish, White, Colorless, Yellow
Black, Brownish, Brown
Specific Gravity
1.58-1.60
4.5-4.8
Fracture
Conchoidal
Uneven
Cleavage
{011} Imperfect
None, parting may develop along {111}
Chemical Composition
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
Fe++Cr2O4
Pleochroism
Weak: yellowish brown yellowAnthony et al
none.
Refractive Index
1.509-1.541
2.08-2.16
Crystal System
-
Isometric
Birefringence
0.030
-9999
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Psychology
Happiness
Vitality
Healing
Emotional healing
Emotional healing
Qualities Associated
Abundance
Protection