Origin
Brazil
Italy
Color
Colorless, White, Greenish
Red, Reddish, Brown, Black, Yellow
Streak
White
Red
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
2.52-2.60-9999
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven, Splintery
Cleavage
{0001} Imperfect, {1120} Imperfect
[001] good, [100] distinct
Mohs Hardness
5.5-66-6.5
2
10
👆🏻
Chemical Composition
KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca2Al3(SiO4)(Si2O7)O(OH)
Luster
-
Vitreous
Pleochroism
-
visible
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.529-1.5601.725-1.756
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
monoclinic
Birefringence
0.000-0.0110.025-0.076
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Physical
Neurological
-
-
Cardiovascular
-
-
Respiratory
-
-
Reproductive
-
-
Digestive
-
-
Psychology
-
Spiritual growth
Healing
Emotional healing
Emotional healing
Qualities Associated
-
Balance