Origin
Brazil, Southern and central Africa
Burma, Sri Lanka, India, Madagascar, Kenya, Tanzania, Thailand, Cambodia, China, Australia, USA
Color
Blue, Green, Black
Colorless, Yellow, Green, Violet, White, Blue, Red, pink
Streak
White
-
For which Rashi?
Gemini, Sagittarius
Pisces, Taurus, Gemini, Libra
Planet
Jupiter
Saturn
Element of Planets
-
Water
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
Apollo
Not to wear with
-
-
Powers
-
Psychic Power
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
-
Solubility
-
insoluble
Durability
-
-
Specific Gravity
3.04-3.173.95-4.03
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
{001} Indistinct, {???} Indistinct
None, but may exhibit parting
Mohs Hardness
5.59
2
10
👆🏻
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Al 2 O 3
Luster
-
Vitreous, Adamantine
Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Strong
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to opaque
Refractive Index
1.604-1.6461.762-1.788
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
Trigonal
Birefringence
0.031-0.0360.008-0.009
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Balances digestive system and reduces bloating
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Excellent
Good
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Clarity
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Psychic Abilities
Wisdom