Origin
-
Brazil
Color
Black, Blue, Yellow, Green
Colorless, White, Greenish
Streak
Grey, Greenish, Brown
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
3.28-3.442.52-2.60
1
7.18
👆🏻
Fracture
Uneven, Splintery
Uneven, Conchoidal
Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
{0001} Imperfect, {1120} Imperfect
Mohs Hardness
5.0-6.05.5-6
2
10
👆🏻
Chemical Composition
Na2Fe2+3Fe3+2Si8O22(OH)2
KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Silky
-
Pleochroism
X = blue
-
Dispersion
0.020.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.680-1.6981.529-1.560
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
-
Birefringence
0.005-0.0080.000-0.011
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
-
Healing
Emotional healing
Emotional healing
Qualities Associated
Clear Thinking
-