Origin
Southern and central Africa
USA, Zambia, Madagascar, India, Sri Lanka, Russia, Australia, Widespread; main sources are Brazil, Uruguay, Bolivia, Argentina, East Africa, Namibia, Brazil
Color
Brown, Green, gray, White
Violet, White, Colorless, Blue, Red, Green, Yellow, pink
Streak
gray, White
White
For which Rashi?
-
Pisces, Scorpio, Sagittarius
Planet
-
-
Element of Planets
-
Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Diana
Not to wear with
-
-
Powers
-
Love, Courage
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
insoluble in common solvents
Durability
-
-
Specific Gravity
3.15-3.2592.65
1
7.18
👆🏻
Fracture
-
Conchoidal, ConchoidalWalter Schumann
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Indiscernible
Mohs Hardness
5.5-67
2
10
👆🏻
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
SiO2
Luster
Vitreous
Vitreous
Pleochroism
Weak to moderate
None
Dispersion
0.020.01
0.005
1
👆🏻
Transparency
Transparent
Transparent, Transparent to translucent
Refractive Index
1.625-1.7181.544-1.553
1
3.25
👆🏻
Optic Character
-
-
Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Trigonal
Birefringence
-99990.009
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
-
Enhances mental clarity and focus
Cardiovascular
-
Supports heart health
Respiratory
-
Good
Reproductive
-
Supports reproductive health
Digestive
-
Supports digestive health
Psychology
Focus
Calming
Healing
-
Emotional healing
Qualities Associated
Protection
Spirituality