Origin
Southern and central Africa
Linares, Jaén, Andalusia, Spain
Color
Yellow, Brown, Black
Blue
Streak
White
Blue
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
4.3925.35
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal
Cleavage
{010} moderate, {100} imperfect
Perfect on {100}, imperfect on {001}
Mohs Hardness
6.5-72.5
2
10
👆🏻
Chemical Composition
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Resinous
Sub-Adamantine, Vitreous
Pleochroism
Faint
X = pale blue; Y = blue; Z = Prussian blue
Dispersion
0.030.05
0.005
1
👆🏻
Transparency
TransparentAnthony et al
Transparent
Refractive Index
1.827-1.8791.809-1.859
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
monoclinic
Birefringence
0.042-0.0510.050
0
0.296
👆🏻
Clarity
TransparentAnthony et al
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Creativity
Self-Expression
Healing
Physical healing
Emotional healing
Qualities Associated
Creativity
Communication