Origin
Linares, Jaén, Andalusia, Spain
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Color
Blue
Yellow, Black
Streak
Blue
Green
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
5.354.39
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Perfect on {100}, imperfect on {001}
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
2.57.5-8
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Luster
Sub-Adamantine, Vitreous
Vitreous
Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
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Dispersion
0.050.03
0.005
1
👆🏻
Transparency
Transparent
Translucent
Refractive Index
1.809-1.8591.80-1.83
1
3.25
👆🏻
Optic Character
-
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Crystal System
monoclinic
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Birefringence
0.050-9999
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
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Cardiovascular
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Respiratory
Good
Good
Reproductive
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Digestive
Supports digestive health
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Psychology
Self-Expression
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Healing
Emotional healing
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Qualities Associated
Communication
Balance