Origin
Linares, Jaén, Andalusia, Spain
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Color
Blue
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
Streak
Blue
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.352.98-3.10
1
7.18
👆🏻
Fracture
Conchoidal
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Cleavage
Perfect on {100}, imperfect on {001}
[100] Perfect, [110] Good, [011] Distinct
Mohs Hardness
2.56
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Sub-Adamantine, Vitreous
Vitreous, Pearly
Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
weak to none
Dispersion
0.050.01
0.005
1
👆🏻
Transparency
Transparent
-
Refractive Index
1.809-1.8591.578-1.646
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
monoclinic
Triclinic
Birefringence
0.0500.020-0.030
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
Supports reproductive health
Digestive
Supports digestive health
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Psychology
Self-Expression
Peace
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Peace