Origin
Australia
USA
Color
Red, White, gray, Black
Colorless, White, Yellow
Streak
Brownish, Black
White
For which Rashi?
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-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
-99992.79-2.87
1
7.18
👆🏻
Fracture
Conchoidal, Uneven
Conchoidal
Cleavage
{1010} Imperfect, {0001} Imperfect
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
Mohs Hardness
5-5.55.5-6
2
10
👆🏻
Chemical Composition
NiAs
NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous, Adamantine, Pearly
Pleochroism
Strong (reflected light)
-
Dispersion
0.040.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
-99991.552-1.562
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Hexagonal
monoclinic
Birefringence
-99990.009
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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-
Cardiovascular
-
-
Respiratory
Poor
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
-
Creativity
Healing
-
Emotional healing
Qualities Associated
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Harmony