Origin
Southern and central Africa, Switzerland
USA, Mexico, Tanzania, Brazil, Pakistan, Afghanistan, Origins: USA
Color
Red, Brown, Green, Yellow, Blue, Colorless, Pale pink, White, Black, pink
Green, Reddish, Brown, Yellow, Colorless, Blue, Violet, Grey
Streak
White
White
For which Rashi?
Scorpio, Aquarius, Pisces
-
Planet
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
3.00-3.253.26-3.36
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann
Conchoidal
Cleavage
Octahedral, perfect on {111}, parting on {011}
Good on {100}
Mohs Hardness
46.5-7
2
10
👆🏻
Chemical Composition
CaF2
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous
Vitreous
Pleochroism
-
Strong
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
-
Refractive Index
1.432-1.4361.656-1.704
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
cubic
Triclinic
Birefringence
-99990.009-0.012
0
0.296
👆🏻
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
Enhances mental clarity and focus
Enhances mental clarity and focus
Cardiovascular
-
-
Respiratory
Good
Good
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Focus
Harmony
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Balance