Origin
USA, Mexico
Southern and central Africa
Color
Green, Brown, Greenish, Black
Blue, Violet, Brown, White, Greenish, pink
Streak
Greenish, gray
White
For which Rashi?
-
Leo, Sagittarius
Planet
-
Saturn
Element of Planets
-
Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Isis
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.19-3.563.26-3.41
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Fibrous, ConchoidalWalter Schumann
Cleavage
{110} Perfect, {010} Indistinct
Distinct on {100}, poor on {110}; parting on {001}
Mohs Hardness
5.5-67-8.5
2
10
👆🏻
Chemical Composition
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
AlAl6O3BSi3O18
Luster
Vitreous, Resinous
Vitreous
Pleochroism
Pale green
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
Translucent, Translucent to opaque
Refractive Index
1.671-1.7741.669-1.723
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Orthorhombic
Birefringence
-99990.011-0.037
0
0.296
👆🏻
Clarity
Transparent
Translucent
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Courage
Patience
Healing
Emotional healing
Emotional healing
Qualities Associated
Grounding
Patience