Origin
Czech
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Color
Brownish, Black, Colorless, White, gray, Blue, Green
Brownish, Black
Streak
White
Brown
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
insoluble
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Durability
-
-
Specific Gravity
6.46-6.573.26
1
7.18
👆🏻
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Uneven
Cleavage
Good [110] and [021]
None
Mohs Hardness
3-3.5-9999
2
10
👆🏻
Chemical Composition
PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Luster
Adamantine, Vitreous, Resinous
Resinous
Pleochroism
-
Strong: yellow-brown
Dispersion
0.060.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Translucent
Refractive Index
1.803-2.078-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
-
Birefringence
0.273-9999
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
Enhances mental clarity and focus
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Cardiovascular
Supports heart health
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Respiratory
Good
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Reproductive
-
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Digestive
-
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Psychology
Clarity
-
Healing
Emotional healing
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Qualities Associated
Clarity
Protection