Origin
Southern and central Africa
USA, San Benito Country, USA. Very rare collectors stone. Found only in San Benito County, California
Color
Brown, Green, gray, White
Violet, Blue, Colorless, pink, White
Streak
gray, White
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
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-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
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-
Not to wear with
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-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
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-
Tenacity
-
-
Solubility
-
Insoluble: HCl
Durability
-
-
Specific Gravity
3.15-3.2593.61-3.68
1
7.18
👆🏻
Fracture
-
Conchoidal
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
[10 1 1] poor
Mohs Hardness
5.5-66-6.5
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
Weak to moderate
O = colorless; E = purple
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.625-1.7181.757-1.804
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Hexagonal
Birefringence
-99990.047
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
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-
Cardiovascular
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-
Respiratory
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Good
Reproductive
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-
Digestive
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Psychology
Focus
Transformation
Healing
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Emotional healing
Qualities Associated
Protection
Transformation