Origin
Australia
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Color
Brown, Reddish, Brownish, Yellow
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Streak
Brown, Brownish, Yellow
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
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
HCl soluble
-
Durability
-
-
Specific Gravity
4.27-4.293.26-3.36
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
Perfect {010}
Good on {100}
Mohs Hardness
5-5.56.5-7
2
10
👆🏻
Chemical Composition
FeO(OH)Arthur Thomas , Gemstones (2009)
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Adamantine
Vitreous
Pleochroism
VisibleArthur Thomas
Strong
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
2.26-2.3981.656-1.704
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Orthorhombic
Triclinic
Birefringence
0.1380.009-0.012
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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Respiratory
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Good
Reproductive
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Digestive
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Psychology
Creativity
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Emotional Healing
Balance