Origin
Tanzania, Madagascar, Kenya, Sri Lanka, Burma, Australia
Southern and central Africa, Switzerland
Color
Green, Brown, Colorless, Greenish, Yellow
Red, Brown, Green, Yellow, Blue, Colorless, Pale pink, White, Black, pink
Streak
White
White
For which Rashi?
-
Scorpio, Aquarius, Pisces
Planet
-
Neptune
Element of Planets
-
Water, Air
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
slightly water soluble and in hot hydrochloric acid
Durability
-
-
Specific Gravity
3.25-3.453.00-3.25
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Subconchoidal, Uneven, ConchoidalWalter Schumann
Cleavage
Good on {110}
Octahedral, perfect on {111}, parting on {011}
Mohs Hardness
6.54
2
10
👆🏻
Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
CaF2
Luster
Vitreous
Vitreous
Pleochroism
X = colorless to green; Y = colorless
-
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
Transparent, Translucent, Transparent to translucent
Refractive Index
1.660-1.6851.432-1.436
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
cubic
Birefringence
0.012-0.017-9999
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
-
Good
Reproductive
-
-
Digestive
-
Supports digestive health
Psychology
Harmony
Focus
Healing
Emotional healing
Emotional healing
Qualities Associated
Self-worth
Protection