Origin
Southern and central Africa
Linares, Jaén, Andalusia, Spain
Color
White, Colorless, Blue, Red, Green, Yellow, Violet, Black
Blue
Streak
Colorless
Blue
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
3.03-3.185.35
1
7.18
👆🏻
Fracture
Uneven, Irregular, Conchoidal
Conchoidal
Cleavage
{???} Indistinct
Perfect on {100}, imperfect on {001}
Mohs Hardness
7-7.52.5
2
10
👆🏻
Chemical Composition
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Sub-Adamantine, Vitreous
Pleochroism
Very strong: pale yellow colorless
X = pale blue; Y = blue; Z = Prussian blue
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.614-1.6661.809-1.859
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
monoclinic
Birefringence
0.014-0.0320.050
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Self-acceptance
Self-Expression
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-Exploration
Communication