Origin
Linares, Jaén, Andalusia, Spain
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Color
Blue
Brown, Blue, Green, Yellow, White
Streak
Blue
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
-
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Specific Gravity
5.353.32-3.43
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Perfect on {100}, imperfect on {001}
Poor on {110} and {100} very poor on {001}
Mohs Hardness
2.56-7
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4
Luster
Sub-Adamantine, Vitreous
Vitreous, Resinous
Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
slight in colored varieties
Dispersion
0.050.03
0.005
1
👆🏻
Transparency
Transparent
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Refractive Index
1.809-1.8591.703-1.752
1
3.25
👆🏻
Optic Character
-
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Crystal System
monoclinic
tetragonal
Birefringence
0.0500.004-0.006
0
0.296
👆🏻
Clarity
Transparent
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Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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Supports heart health
Respiratory
Good
Good
Reproductive
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Digestive
Supports digestive health
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Psychology
Self-Expression
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Transformation