Origin
-
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Color
Blue, gray, Black
Blue, Violet, Colorless, Red, Green, Brown
Streak
Blue
White
For which Rashi?
-
Sagittarius, Scorpio
Planet
-
Pluto
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Hephaestus
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3-3.153.64-3.66
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Good on [110] and on [001]
None, but may exhibit slight parting
Mohs Hardness
6.0-6.58
2
10
👆🏻
Chemical Composition
[ ]Na2(Mg3Al2)Si8O22(OH)2
MgAl2O4
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Strong
Absent
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent, Transparent to translucent
Refractive Index
1.606-1.6371.73
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Isometric
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Communication
Revitalization
Healing
Emotional healing
Emotional healing
Qualities Associated
Peace
Vitality