Origin
Southern and central Africa
Southern and central Africa
Color
White, Colorless, Blue, Red, Green, Yellow, Violet, Black
Colorless, Blue, Green
Streak
Colorless
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
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Energy
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-
How to Wear?
Finger
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Ring Metal
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Deities
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Not to wear with
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-
Powers
-
-
Birthstone
Planetary
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Talisman
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Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.03-3.183.07-3.13
1
7.18
👆🏻
Fracture
Uneven, Irregular, Conchoidal
Conchoidal, Uneven
Cleavage
{???} Indistinct
{100} Perfect, {010} Distinct, {102} Distinct
Mohs Hardness
7-7.53-3.5
2
10
👆🏻
Chemical Composition
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
-
Pleochroism
Very strong: pale yellow colorless
-
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.614-1.6661.595-1.621
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m
-
Birefringence
0.014-0.0320.021
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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Cardiovascular
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Respiratory
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Reproductive
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Digestive
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Psychology
Self-acceptance
Emotional healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-Exploration
Emotional Healing