Origin
Southern and central Africa
USA, Southern and central Africa
Color
White, Colorless, Blue, Red, Green, Yellow, Violet, Black
Brown, Green, White, gray, Blue, Yellow
Streak
Colorless
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.03-3.184.00-4.65
1
7.18
👆🏻
Fracture
Uneven, Irregular, Conchoidal
Uneven, Sub-Conchoidal
Cleavage
{???} Indistinct
Perfect on [1011]
Mohs Hardness
7-7.55-5.5
2
10
👆🏻
Chemical Composition
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Very strong: pale yellow colorless
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent
Translucent
Refractive Index
1.614-1.6661.620-1.850
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Trigonal
Birefringence
0.014-0.0320.223-0.227
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Self-acceptance
Emotional Healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-Exploration
Harmony