Origin
Italy
Sri Lanka
Color
Red, Reddish, Brown, Black, Yellow
Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Green, gray
Streak
Red
White, Brownish
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
-99996.86-7.03
1
7.18
👆🏻
Fracture
Uneven, Splintery
Subconchoidal, Uneven, Conchoidal, Irregular
Cleavage
[001] good, [100] distinct
{100} imperfect, {110} indistinct; partings on {111} or {011}
Mohs Hardness
6-6.56-7
2
10
👆🏻
Chemical Composition
Ca2Al3(SiO4)(Si2O7)O(OH)
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Adamantine, Greasy
Pleochroism
visible
Pleochroic haloes have been observed. Dichroic in yellow
Dispersion
0.020.07
0.005
1
👆🏻
Transparency
-
Transparent, Translucent
Refractive Index
1.725-1.7561.990-2.105
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
tetragonal
Birefringence
0.025-0.0760.096-0.098
0
0.296
👆🏻
Clarity
-
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
-
Poor
Reproductive
-
-
Digestive
-
-
Psychology
Spiritual growth
Focus
Healing
Emotional healing
Emotional healing
Qualities Associated
Balance
Manifestation