Origin
Southern and central Africa
Brazil, Colombia, Southern and central Africa
Color
Green, Black, White, Grey, gray
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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.003.08-3.12
1
7.18
👆🏻
Fracture
Uneven, Splintery
ConchoidalWalter Schumann
Cleavage
perfect along {110}.
{010} Perfect
Mohs Hardness
5-67.5
2
10
👆🏻
Chemical Composition
Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous
Pleochroism
moderate
Weak: colorless-(greenish) yellow
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
TransparentUlrich Henn and Claudio C. Milisenda
-
Refractive Index
1.613-1.6281.650-1.677
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
0.0250-0.02700.019-0.025
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Aids in mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Good
Good
Reproductive
Supports reproductive health
-
Digestive
-
-
Psychology
Strength
Harmony
Healing
Physical healing
Emotional healing
Qualities Associated
Strength
Communication