Origin
Southern and central Africa
Linares, Jaén, Andalusia, Spain
Color
Brown
Blue
Streak
White
Blue
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
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
-
-
Birthstone
Planetary
-
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Talisman
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Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.25-3.285.35
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
{100} Distinct, {001} Poor, {110} Poor
Perfect on {100}, imperfect on {001}
Mohs Hardness
6.5-72.5
2
10
👆🏻
Chemical Composition
Ca2Fe++Al2BO3Si4O12(OH)
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous
Sub-Adamantine, Vitreous
Pleochroism
Colorless
X = pale blue; Y = blue; Z = Prussian blue
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.674-1.6931.809-1.859
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1
monoclinic
Birefringence
-99990.050
0
0.296
👆🏻
Clarity
-
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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Supports digestive health
Psychology
Grounding
Self-Expression
Healing
Emotional healing
Emotional healing
Qualities Associated
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Communication