Origin
Italy, Russia
Linares, Jaén, Andalusia, Spain
Color
Colorless, Green, Black, Brown, Red, Greenish, Yellow, gray
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
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.70-4.105.35
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
none
Perfect on {100}, imperfect on {001}
Mohs Hardness
6.5-72.5
2
10
👆🏻
Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Adamantine, Resinous
Sub-Adamantine, Vitreous
Pleochroism
-
X = pale blue; Y = blue; Z = Prussian blue
Dispersion
0.060.05
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.88-1.941.809-1.859
1
3.25
👆🏻
Optic Character
-
-
Crystal System
cubic
monoclinic
Birefringence
0.0570.050
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Positivity
Self-Expression
Healing
Physical healing
Emotional healing
Qualities Associated
Empowerment
Communication