Origin
Canada, Russia
Brazil, Colombia, Southern and central Africa
Color
Brown, Yellow, Greenish, Brownish, Red
Greenish, Blue, Colorless, White, Green
Streak
Brown, 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
3.2-3.43.08-3.12
1
7.18
👆🏻
Fracture
Uneven
ConchoidalWalter Schumann
Cleavage
Perfect on [001] imperfect on [100]
{010} Perfect
Mohs Hardness
37.5
2
10
👆🏻
Chemical Composition
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Greasy, Pearly
Vitreous
Pleochroism
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
Weak: colorless-(greenish) yellow
Dispersion
0.120.02
0.005
1
👆🏻
Transparency
Translucent
-
Refractive Index
1.678-1.7581.650-1.677
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Triclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Birefringence
0.0500.019-0.025
0
0.296
👆🏻
Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
Supports heart health
-
Respiratory
Excellent
Good
Reproductive
-
-
Digestive
-
-
Psychology
Self-Reflection
Harmony
Healing
Spiritual healing
Emotional healing
Qualities Associated
Self-Reflection
Communication