Origin
Brazil, Colombia, Southern and central Africa
Italy
Color
Greenish, Blue, Colorless, White, Green
Brownish, Red, Brown, Green, White, gray, Yellow, Reddish
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
-
Tough
Solubility
-
-
Durability
-
-
Specific Gravity
3.08-3.122.78-2.85
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Uneven
Cleavage
{010} Perfect
Perfect basal (001)
Mohs Hardness
7.52-2.5
2
10
👆🏻
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
KMg3(Si3Al)O10(F,OH)2
Luster
Vitreous
Pearly
Pleochroism
Weak: colorless-(greenish) yellow
-
Dispersion
0.020.04
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.650-1.6771.530-1.573
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
monoclinic
Birefringence
0.019-0.0250.0280-0.0450
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
-
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Harmony
Self-discovery
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Awareness