Origin
Linares, Jaén, Andalusia, Spain
Southern and central Africa
Color
Blue
Yellow, White
Streak
Blue
gray, Brownish, Black
For which Rashi?
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-
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
-
-
Talisman
-
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Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.354.80-4.90
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Perfect on {100}, imperfect on {001}
{010} Indistinct
Mohs Hardness
2.56-6.5
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Sub-Adamantine, Vitreous
-
Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
-
Dispersion
0.050.05
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.809-1.859-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
-
Birefringence
0.050-9999
0
0.296
👆🏻
Clarity
Transparent
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Physical
Neurological
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Cardiovascular
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Respiratory
Good
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Reproductive
-
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Digestive
Supports digestive health
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Psychology
Self-Expression
Protection
Healing
Emotional healing
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Qualities Associated
Communication
Protection