Origin
Sri Lanka
USA, Mexico
Color
Blue
Green, Brown, Greenish, Black
Streak
-
Greenish, gray
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
3.65-4.553.19-3.56
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
None, but may exhibit slight parting
{110} Perfect, {010} Indistinct
Mohs Hardness
7.5-85.5-6
2
10
👆🏻
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous
Vitreous, Resinous
Pleochroism
-
Pale green
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.735-1.7901.671-1.774
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Courage
Healing
-
Emotional healing
Qualities Associated
Transformation
Grounding