Origin
India, Italy
Southern and central Africa
Color
White, Reddish
Brown, Green, gray, White
Streak
White
gray, 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
2.08-2.163.15-3.259
1
7.18
👆🏻
Fracture
Irregular/uneven
-
Cleavage
distinct/good on {1011}
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Mohs Hardness
4.55.5-6
2
10
👆🏻
Chemical Composition
CaAl 2Si 4O 12 -6H 2OArthur Thomas , Gemstones (2009)
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous
Vitreous
Pleochroism
-
Weak to moderate
Dispersion
0.050.02
0.005
1
👆🏻
Transparency
Transparent
Transparent
Refractive Index
1.478-1.4901.625-1.718
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Trigonal
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Birefringence
0.005-0.008-9999
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
-
Cardiovascular
Supports heart health
-
Respiratory
Good
-
Reproductive
-
-
Digestive
-
-
Psychology
Emotional Healing
Focus
Healing
Emotional healing
-
Qualities Associated
Optimism
Protection