Origin
Southern and central Africa
Spain, China
Color
White, Colorless, Blue, Red, Green, Yellow, Violet, Black
Red, gray, Brown, pink
Streak
Colorless
Scarlet, Red
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Slightly sectile
Solubility
-
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
Durability
-
-
Specific Gravity
3.03-3.182
1
7.18
👆🏻
Fracture
Uneven, Irregular, Conchoidal
Uneven
Cleavage
{???} Indistinct
Prismatic {10 1 0}, perfect
Mohs Hardness
7-7.52-2.5
2
10
👆🏻
Chemical Composition
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine
Pleochroism
Very strong: pale yellow colorless
-
Dispersion
0.020.06
0.005
1
👆🏻
Transparency
Transparent
Translucent
Refractive Index
1.614-1.6662.905-3.25
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
Trigonal
Birefringence
0.014-0.032-9999
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
-
Boosts mental agility and focus
Cardiovascular
-
-
Respiratory
-
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Self-acceptance
Passion
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-Exploration
Manifestation