Origin
Colombia, Origins: Congo
Brazil, Colombia, Southern and central Africa
Color
Red, Yellow, White, gray, Green, Colorless
Greenish, Blue, Colorless, White, Green
Streak
White
White
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
2.65-2.693.08-3.12
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
ConchoidalWalter Schumann
Cleavage
Perfect on {001}, good on {010}
{010} Perfect
Mohs Hardness
6-6.57.5
2
10
👆🏻
Chemical Composition
(Na,Ca)Al1-2Si3-2O8
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
colorless.
Weak: colorless-(greenish) yellow
Dispersion
0.700.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
-
Refractive Index
1.543-1.5641.650-1.677
1
3.25
👆🏻
Optic Character
Biaxial/+
-
Crystal System
Triclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
0.007-0.0110.019-0.025
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Vitality
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Vitality
Communication