Origin
Linares, Jaén, Andalusia, Spain
Southern and central Africa
Color
Blue
Colorless, Yellow
Streak
Blue
White
For which Rashi?
-
-
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
5.352.59-2.60
1
7.18
👆🏻
Fracture
Conchoidal
-
Cleavage
Perfect on {100}, imperfect on {001}
{001} Perfect, {110} Distinct, {101} Distinct
Mohs Hardness
2.56-7
2
10
👆🏻
Chemical Composition
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Luster
Sub-Adamantine, Vitreous
Vitreous
Pleochroism
X = pale blue; Y = blue; Z = Prussian blue
none.
Dispersion
0.050.01
0.005
1
👆🏻
Transparency
Transparent
TransparentAnthony et al
Refractive Index
1.809-1.8591.583-1.614
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21
Birefringence
0.050-9999
0
0.296
👆🏻
Clarity
Transparent
TransparentAnthony et al
Physical
Neurological
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-
Cardiovascular
-
Promotes mental clarity
Respiratory
Good
-
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Self-Expression
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Creativity