Origin
Brazil
Italy, Canada
Color
Yellow, White, Brown, Brownish, Black
Blue, Red, Yellow, Colorless, Green, White
Streak
Brown, Yellow, 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
Soluble
-
Durability
-
-
Specific Gravity
3.06-3.252.90-3.10
1
7.18
👆🏻
Fracture
Sub-Conchoidal, Conchoidal, Uneven
Uneven, Conchoidal
Cleavage
Poor/indistinct on {100}
Poor/indistinct on {1120} and {1011}
Mohs Hardness
4.5-57
2
10
👆🏻
Chemical Composition
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
Luster
Vitreous, Resinous
Vitreous
Pleochroism
visible
Pale green
Dispersion
0.030.02
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.639-1.6721.614-1.666
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic
Trigonal
Birefringence
0.027-0.0420.014-0.032
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
Enhances mental clarity
-
Respiratory
Excellent
-
Reproductive
-
-
Digestive
-
-
Psychology
Creativity
Emotional healing
Healing
Emotional healing
Emotional healing
Qualities Associated
Joy
Emotional Healing