Origin
Brazil, Colombia, Southern and central Africa
Italy, Russia
Color
Greenish, Blue, Colorless, White, Green
Colorless, Green, Black, Brown, Red, Greenish, Yellow, gray
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
3.08-3.123.70-4.10
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Conchoidal, Uneven
Cleavage
{010} Perfect
none
Mohs Hardness
7.56.5-7
2
10
👆🏻
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous
Adamantine, Resinous
Pleochroism
Weak: colorless-(greenish) yellow
-
Dispersion
0.020.06
0.005
1
👆🏻
Transparency
-
Transparent
Refractive Index
1.650-1.6771.88-1.94
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
cubic
Birefringence
0.019-0.0250.057
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Positivity
Healing
Emotional healing
Physical healing
Qualities Associated
Communication
Empowerment