Origin
Brazil, Colombia, Southern and central Africa
Ethiopia, Afghanistan, China, Australia, Origins: Brazil (major source); also found in USA, Germany, France, UK, Finland, Norway, Sweden, Namibia, Zaire, China and Australia.
Color
Greenish, Blue, Colorless, White, Green
Brown, Green, White, Colorless, Yellow, Blue, gray, pink, Greenish
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.08-3.122.98-3.10
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Cleavage
{010} Perfect
[100] Perfect, [110] Good, [011] Distinct
Mohs Hardness
7.56
2
10
👆🏻
Chemical Composition
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Weak: colorless-(greenish) yellow
weak to none
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.650-1.6771.578-1.646
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Triclinic
Birefringence
0.019-0.0250.020-0.030
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Excellent
Reproductive
-
Supports reproductive health
Digestive
-
-
Psychology
Harmony
Peace
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Peace