1 Astrology
1.1 Origin
Not Available, Southern and central Africa
Canada, USA, Mexico, Madagascar, Australia, Not Available, Finland, India, Russia, Yellow, blue, Orange
1.2 Color
Brown, White, Greenish, gray, Green, Brown, Brownish, White, Greenish, gray, Green, Brown, Brownish
Violet, Colorless, gray, White, Green
1.3 Streak
1.4 For which Rashi?
1.5 Planet
Not Available
Not Available
1.6 Element of Planets
1.7 How to Wear?
1.7.1 Finger
Not Available
Not Available
1.7.2 Ring Metal
Not Available
Not Available
1.8 Energy
Not Available
Not Available
1.9 Deities
1.10 Not to wear with
Not Available
Not Available
1.11 Powers
Not Available
Protection, Psychic Power
1.12 Birthstone
1.12.1 Planetary
Not Available
Not Available
1.12.2 Talisman
Not Available
Not Available
2 Physical Properties
2.1 Tenacity
Not Available
Not Available
2.2 Solubility
Not Available
Not Available
2.3 Durability
Not Available
Not Available
2.4 Specific Gravity
2.5 Fracture
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle
Uneven, Conchoidal, Gems, Sixth Edition (2006)
2.6 Cleavage
{110} Perfect, {???} Distinct, {???} Distinct
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
2.7 Mohs Hardness
2.8 Chemical Composition
(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
(Na,Ca)1-2Si3-2O8
3 Optical Properties
3.1 Luster
Vitreous, Pearly
Vitreous, Pearly
3.2 Pleochroism
When Fe-rich
From the Congo
3.3 Dispersion
3.4 Transparency
Transparent
Transparent, Translucent, Transparent to translucent
3.5 Refractive Index
1.603-1.6901.554-1.573
1
3.25
3.6 Optic Character
3.7 Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Triclinic
3.8 Birefringence
Not Available0.008-0.010
0
0.296
3.9 Clarity
4 Benefits
4.1 Physical
4.1.1 Neurological
Not Available
Not Available
4.1.2 Cardiovascular
Not Available
Not Available
4.1.3 Respiratory
Not Available
Not Available
4.1.4 Reproductive
Not Available
Not Available
4.1.5 Digestive
Not Available
Not Available
4.2 Psychology
Not Available
Not Available
4.3 Healing
Not Available
Not Available
4.4 Qualities Associated
Not Available
Not Available