Origin
Southern and central Africa
Russia
Color
White, Colorless, Blue, Red, Green, Yellow, Violet, Black
Pale pink, Red, White, pink, Blue, Green
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.03-3.182.30-2.60
1
7.18
👆🏻
Fracture
Uneven, Irregular, Conchoidal
Uneven, Conchoidal
Cleavage
{???} Indistinct
{111} Imperfect
Mohs Hardness
7-7.55.5-6
2
10
👆🏻
Chemical Composition
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Na 4AlBeSi 4O 12ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
-
Pleochroism
Very strong: pale yellow colorless
ModerateArthur Thomas
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent
OpaqueHerve Nicolas Lazzarelli
Refractive Index
1.614-1.6661.494-1.504
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
tetragonal
Birefringence
0.014-0.0320.008
0
0.296
👆🏻
Clarity
Transparent
OpaqueHerve Nicolas Lazzarelli
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Self-acceptance
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-Exploration
Emotional Healing