Origin
Sri Lanka
Colombia, Zambia, Brazil, Madagascar, Southern and central Africa, Zimbabwe, Russia, India, Pakistan, Australia, USA, Mexico, Spain
Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Green, Blue, Yellow, Grey
Streak
White, Brownish
White
For which Rashi?
-
Taurus, Gemini, Aries
Planet
-
Venus, Mercury
Element of Planets
-
Earth
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
Gold
Deities
-
Diana, Artemis, Venus, Freyja
Not to wear with
-
Red Coral, Natural Pearl, Moonstone, Ruby
Powers
-
Protection, Love, Courage
Birthstone
Planetary
-
Taurus
Talisman
-
Gemini
Tenacity
Brittle
-
Solubility
insoluble
-
Durability
-
Hard
Specific Gravity
6.86-7.032.67-2.78
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
Uneven, ConchoidalWalter Schumann
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
Imperfect on the [0001]
Mohs Hardness
6-77.5-8
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Be3Al2SiO6
Luster
Adamantine, Greasy
Vitreous
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
Strong dichroism: yellow green Lazzarelli
Dispersion
0.070.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.990-2.1051.565-1.602
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
Hexagonal
Birefringence
0.096-0.0980.0040-0.0070
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
Soothes the digestive system
Respiratory
Poor
Good
Reproductive
-
Supports reproductive health
Digestive
-
Supports digestive health
Psychology
Focus
Love
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Love