Origin
Southern and central Africa
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Color
Green, Grey, White
Yellow, Black
Streak
White
Green
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
-
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Birthstone
Planetary
-
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Talisman
-
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Tenacity
-
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Solubility
-
-
Durability
-
-
Specific Gravity
2.60-3.024.39
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
{001} Perfect
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
2-2.57.5-8
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Luster
Pearly, Greasy
Vitreous
Pleochroism
Distinct: light yellow-green to light bluE
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Dispersion
0.020.03
0.005
1
👆🏻
Transparency
Transparent
Translucent
Refractive Index
1.571-1.5971.80-1.83
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
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Cardiovascular
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Respiratory
Good
Good
Reproductive
-
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Digestive
-
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Psychology
Harmony
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Healing
Physical healing
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Qualities Associated
Emotional Healing
Balance