Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Southern and central Africa
Color
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
Colorless, gray, White
Streak
White
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.57-2.662.40-2.42
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
-
Cleavage
Fair on {100}, poor on {001} and {010}
{010} Perfect, {001} Distinct
Mohs Hardness
7-7.54.5
2
10
👆🏻
Chemical Composition
Mg2Al4Si5O18
Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Greasy, Vitreous
Vitreous
Pleochroism
X = pale yellow
-
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
-99991.584-1.615
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
-99990.028-0.030
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
Supports healthy digestion
-
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Intuition
Imagination
Healing
Emotional healing
Emotional healing
Qualities Associated
Psychic Abilities
Harmony