Origin
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Tanzania
Color
Blue, Violet, Greenish, Brown, Colorless, Yellow, gray
Blue
Streak
White
White, Colorless
For which Rashi?
-
Sagittarius, Pisces, Virgo
Element of Planets
-
Air, Water, Earth
Specific Gravity
2.57-2.66
3.35
Fracture
Subconchoidal, Conchoidal
Uneven, Conchoidal
Cleavage
Fair on {100}, poor on {001} and {010}
Perfect {010}, imperfect {100}
Mohs Hardness
7-7.5
6.5-7
Chemical Composition
Mg2Al4Si5O18
Ca2Al3(SiO4)3(OH)
Luster
Greasy, Vitreous
Vitreous
Pleochroism
X = pale yellow
Present
Transparency
-
Transparent, Translucent, Transparent to translucent
Refractive Index
-9999
1.685-1.707
Crystal System
Orthorhombic
Orthorhombic
Birefringence
-9999
0.006-0.018
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Supports healthy digestion
Enhances mental clarity and focus
Respiratory
Good
Excellent
Psychology
Intuition
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Psychic Abilities
Communication