Origin
Linares, Jaén, Andalusia, Spain
Madagascar
Color
Blue
Red, Colorless, Yellow, White
Streak
Blue
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
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Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.353.34-3.44
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
Perfect on {100}, imperfect on {001}
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
2.58-8.5
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
(K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Sub-Adamantine, Vitreous
Adamantine
Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
-
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.809-1.8591.684-1.694
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
-
Birefringence
0.050-9999
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
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
Creativity
Healing
Emotional healing
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Qualities Associated
Communication
Energy Amplification