Origin
Brazil, Southern and central Africa
Southern and central Africa, Switzerland
Color
Blue, Green, Black
Red, Brown, Green, Yellow, Blue, Colorless, Pale pink, White, Black, pink
Streak
White
White
For which Rashi?
Gemini, Sagittarius
Scorpio, Aquarius, Pisces
Planet
Jupiter
Neptune
Element of Planets
-
Water, Air
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
-
Brittle
Solubility
-
slightly water soluble and in hot hydrochloric acid
Durability
-
-
Specific Gravity
3.04-3.173.00-3.25
1
7.18
👆🏻
Fracture
Uneven
Subconchoidal, Uneven, ConchoidalWalter Schumann
Cleavage
{001} Indistinct, {???} Indistinct
Octahedral, perfect on {111}, parting on {011}
Mohs Hardness
5.54
2
10
👆🏻
Chemical Composition
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
CaF2
Luster
-
Vitreous
Pleochroism
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
-
Dispersion
0.010.01
0.005
1
👆🏻
Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
Refractive Index
1.604-1.6461.432-1.436
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
cubic
Birefringence
0.031-0.036-9999
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
Supports digestive health
Psychology
Clarity
Focus
Healing
Emotional healing
Emotional healing
Qualities Associated
Psychic Abilities
Protection