Origin
USA
Brazil, Colombia, Southern and central Africa
Color
Brown, Red, Black, Brownish
Greenish, Blue, Colorless, White, Green
Streak
Reddish, 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
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.05-5.223.08-3.12
1
7.18
👆🏻
Fracture
Uneven
ConchoidalWalter Schumann
Cleavage
None
{010} Perfect
Mohs Hardness
5.5-67.5
2
10
👆🏻
Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
-
Vitreous
Pleochroism
-
Weak: colorless-(greenish) yellow
Dispersion
0.190.02
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
-99991.650-1.677
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
-99990.019-0.025
0
0.296
👆🏻
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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Enhances mental clarity and focus
Cardiovascular
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-
Respiratory
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Good
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Harmony
Healing
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Emotional healing
Qualities Associated
Grounding
Communication