Origin
Brazil, Southern and central Africa, Sri Lanka
Linares, Jaén, Andalusia, Spain
Color
Red, gray
Blue
Streak
Red, Black
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
Insoluble in acids
-
Durability
-
-
Specific Gravity
4.20-4.305.35
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
{110} good, 100 moderate, parting on {092} and {011}
Perfect on {100}, imperfect on {001}
Mohs Hardness
6-6.52.5
2
10
👆🏻
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Adamantine
Sub-Adamantine, Vitreous
Pleochroism
Weak to distinct brownish red-green-yellow
X = pale blue; Y = blue; Z = Prussian blue
Dispersion
0.330.05
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent
Refractive Index
2.609-2.9031.809-1.859
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
monoclinic
Birefringence
0.2960.050
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Clarity
Self-Expression
Healing
Physical healing
Emotional healing
Qualities Associated
Awareness
Communication