Origin
Sri Lanka
Southern and central Africa
Color
Red, Brown, Black
Black, Reddish, gray, Red
Streak
Brown
Black, Brown, Reddish, Red
For which Rashi?
-
Aries, Aquarius
Planet
-
Saturn
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Mars
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.97-3.145.00-5.30
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
{1011} Indistinct
None, may show partings on {0001} and {10 1 1}
Mohs Hardness
-99996
2
10
👆🏻
Chemical Composition
Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Fe 2O 3Arthur Thomas , Gemstones (2009)
Luster
Vitreous
-
Pleochroism
Pale yellow colorlessAnthony et al
O = brownish red; E = yellowish red
Dispersion
0.020.05
0.005
1
👆🏻
Transparency
Transparent
OpaqueHerve Nicolas Lazzarelli
Refractive Index
1.614-1.6662.690-3.220
1
3.25
👆🏻
Optic Character
-
-
Crystal System
-
Trigonal
Birefringence
0.014-0.0320.280
0
0.296
👆🏻
Clarity
Transparent
OpaqueHerve Nicolas Lazzarelli
Physical
Neurological
-
-
Cardiovascular
Supports heart health
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
-
-
Psychology
Empowerment
Grounding
Healing
Emotional healing
Physical healing
Qualities Associated
Empowerment
Grounding