Origin
Southern and central Africa
Canada, Russia, Kenya, Brazil, Norway
Color
Blue, Colorless, White
Green, Greenish, Black, Reddish, Brown
Streak
White
Yellow, Yellowish-grey, gray
For which Rashi?
Gemini, Virgo
Pisces
Planet
-
-
Element of Planets
Earth
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
Quan Yin
-
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.45-2.583.50-3.60
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
None
Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}
Mohs Hardness
3-3.56
2
10
👆🏻
Chemical Composition
Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.
Luster
Vitreous
Vitreous, Resinous
Pleochroism
-
Emerald green
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.583-1.6081.720-1.778
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.0190.037-0.061
0
0.296
👆🏻
Clarity
-
-
Physical
Neurological
Aids in mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
Good
Supports heart health
Reproductive
-
Supports heart health
Digestive
-
Supports heart health
Psychology
Calming
Protection
Healing
Emotional healing
Physical healing
Qualities Associated
Calming
Protection