Origin
Southern and central Africa
Austria
Color
Brown
Brown, Green, Brownish, Black, Yellow, gray
Streak
White
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
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Durability
-
-
Specific Gravity
3.25-3.283.25-3.50
1
7.18
👆🏻
Fracture
Uneven
Conchoidal, Fibrous
Cleavage
{100} Distinct, {001} Poor, {110} Poor
{001} perfect and {100} imperfect
Mohs Hardness
6.5-76-7
2
10
👆🏻
Chemical Composition
Ca2Fe++Al2BO3Si4O12(OH)
CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Resinous
Pleochroism
Colorless
Strong
Dispersion
0.020.03
0.005
1
👆🏻
Transparency
Transparent
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Refractive Index
1.674-1.6931.729-1.768
1
3.25
👆🏻
Optic Character
-
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Crystal System
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1
monoclinic
Birefringence
-99990.019-0.046
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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Calms digestive issues
Respiratory
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Good
Reproductive
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Supports healthy digestion
Digestive
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Psychology
Grounding
Abundance
Healing
Emotional healing
Physical healing
Qualities Associated
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Manifestation