Origin
USA, Mexico
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Color
Green, Brown, Greenish, Black
Blue, Violet, Colorless, Red, Green, Brown
Streak
Greenish, gray
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
3.19-3.563.64-3.66
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal, Uneven
Cleavage
{110} Perfect, {010} Indistinct
None, but may exhibit slight parting
Mohs Hardness
5.5-68
2
10
👆🏻
Chemical Composition
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
MgAl2O4
Luster
Vitreous, Resinous
Vitreous
Pleochroism
Pale green
Absent
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.671-1.7741.73
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Isometric
Birefringence
-9999-9999
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Courage
Revitalization
Healing
Emotional healing
Emotional healing
Qualities Associated
Grounding
Vitality