Origin
Southern and central Africa, Switzerland
Kenya, Southern and central Africa
Color
Red, Brown, Green, Yellow, Blue, Colorless, Pale pink, White, Black, pink
Green, Brown, Yellow, Red
Streak
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
3.00-3.253.55-3.70
1
7.18
👆🏻
Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann
-
Cleavage
Octahedral, perfect on {111}, parting on {011}
Perfect
Mohs Hardness
44-7
2
10
👆🏻
Chemical Composition
CaF2
Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
Luster
Vitreous
Vitreous
Pleochroism
-
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
Dispersion
0.010.02
0.005
1
👆🏻
Transparency
Transparent, Translucent, Transparent to translucent
Transparent
Refractive Index
1.432-1.4361.710-1.735
1
3.25
👆🏻
Optic Character
-
Biaxial/+
Crystal System
cubic
-
Birefringence
-99990.012-0.033
0
0.296
👆🏻
Clarity
Transparent
Transparent
Physical
Neurological
Enhances mental clarity and focus
-
Cardiovascular
-
Supports heart health
Respiratory
Good
Good
Reproductive
-
-
Digestive
Supports digestive health
-
Psychology
Focus
Intuition
Healing
Emotional healing
Emotional healing
Qualities Associated
Protection
Tranquility