Origin
Austria, Brazil, Canada, India, Madagascar, Russia, Sri Lanka, USA
Canada, Russia, Kenya, Brazil, Norway
Color
Red, Brown, Brownish, Black
Green, Greenish, Black, Reddish, Brown
Streak
White
Yellow, Yellowish-grey, gray
For which Rashi?
-
Pisces
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
Healing
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.95-4.303.50-3.60
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
none
Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}
Mohs Hardness
7-7.56
2
10
👆🏻
Chemical Composition
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.