Origin
Sri Lanka
Canada, Russia
Color
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Black, Green, gray
Streak
White, Brownish
gray, Green
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
Brittle
Solubility
insoluble
-
Durability
-
-
Specific Gravity
6.86-7.033.3-3.5
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, Conchoidal, Irregular
Uneven
Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
Perfect on [110]
Mohs Hardness
6-75-6
2
10
👆🏻
Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaNa2(Fe++4Fe+++)Si8O22(OH)2
Luster
Adamantine, Greasy
Vitreous
Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
Strong: Blue-greens
Dispersion
0.070.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.990-2.1051.652-1.699
1
3.25
👆🏻
Optic Character
-
-
Crystal System
tetragonal
monoclinic
Birefringence
0.096-0.098-9999
0
0.296
👆🏻
Clarity
Transparent
-
Physical
Neurological
Enhances mental clarity and focus
Promotes psychic abilities and spiritual growth
Cardiovascular
Supports heart health
-
Respiratory
Poor
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Focus
Insight
Healing
Emotional healing
Emotional healing
Qualities Associated
Manifestation
Manifestation