Origin
Austria
Brazil
Color
Brown, Green, Brownish, Black, Yellow, gray
Blue, Greenish
Streak
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
3.25-3.503.31
1
7.18
👆🏻
Fracture
Conchoidal, Fibrous
Uneven
Cleavage
{001} perfect and {100} imperfect
{110} Good
Mohs Hardness
6-75.5-6
2
10
👆🏻
Chemical Composition
CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Fe2+ ,Mg)Al 2(PO 4) 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Resinous
-
Pleochroism
Strong
Colorless blueAnthony et al
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.729-1.7681.639-1.680
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
-
Birefringence
0.019-0.0460.041
0
0.296
👆🏻
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Calms digestive issues
-
Respiratory
Good
Good
Reproductive
Supports healthy digestion
-
Digestive
-
-
Psychology
Abundance
Communication
Healing
Physical healing
Emotional healing
Qualities Associated
Manifestation
Intuition & Communication