Origin
Southern and central Africa
Kenya, Southern and central Africa
Color
White, Colorless, Blue, Red, Green, Yellow, Violet, Black
Green, Brown, Yellow, Red
Streak
Colorless
-
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
3.03-3.183.55-3.70
1
7.18
👆🏻
Fracture
Uneven, Irregular, Conchoidal
-
Cleavage
{???} Indistinct
Perfect
Mohs Hardness
7-7.54-7
2
10
👆🏻
Chemical Composition
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Very strong: pale yellow colorless
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.614-1.6661.710-1.735
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
-
Birefringence
0.014-0.0320.012-0.033
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
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Cardiovascular
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Supports heart health
Respiratory
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Good
Reproductive
-
-
Digestive
-
-
Psychology
Self-acceptance
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-Exploration
Tranquility