Origin
Southern and central Africa
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Color
Green, Grey, White
Blue, gray, Black
Streak
White
Blue
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
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
2.60-3.023-3.15
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
{001} Perfect
Good on [110] and on [001]
Mohs Hardness
2-2.56.0-6.5
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)
[ ]Na2(Mg3Al2)Si8O22(OH)2
Luster
Pearly, Greasy
Vitreous, Pearly
Pleochroism
Distinct: light yellow-green to light bluE
Strong
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.571-1.5971.606-1.637
1
3.25
👆🏻
Optic Character
Biaxial/+
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Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
monoclinic
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Transparent
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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
Communication
Healing
Physical healing
Emotional healing
Qualities Associated
Emotional Healing
Peace