Origin
Australia
Southern and central Africa
Color
Brown, Reddish, Brownish, Yellow
Yellow, Blue, Black, Green, gray
Streak
Brown, Brownish, Yellow
White
For which Rashi?
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Planet
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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
HCl soluble
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Durability
-
-
Specific Gravity
4.27-4.293.43-3.44
1
7.18
👆🏻
Fracture
Uneven
-
Cleavage
Perfect {010}
None Observed
Mohs Hardness
5-5.56.5-7
2
10
👆🏻
Chemical Composition
FeO(OH)Arthur Thomas , Gemstones (2009)
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Adamantine
Vitreous
Pleochroism
VisibleArthur Thomas
visible
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
2.26-2.3981.696-1.702
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Triclinic
Birefringence
0.1380.005
0
0.296
👆🏻
Clarity
-
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
Creativity
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Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Transformation