Origin
Southern and central Africa
Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Origins: Brazil
Color
Brown, Green, gray, White
Greenish, Green, Brownish, Red, Blue, Brown, gray
Streak
gray, White
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
Earth, Water
Energy
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-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
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-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
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-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.15-3.2593.69-3.81
1
7.18
👆🏻
Fracture
-
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Distinct on {110}, imperfect on {010}, poor on {001}
Mohs Hardness
5.5-68.5
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
BeAl 2 O 4
Luster
Vitreous
Vitreous
Pleochroism
Weak to moderate
X = red; Y = yellow-orange; Z = emerald-green
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.625-1.7181.746-1.763
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Orthorhombic
Birefringence
-99990.007-0.013
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
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-
Digestive
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-
Psychology
Focus
Transformation
Healing
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Physical healing
Qualities Associated
Protection
Transformation