Blue John Vs Falcons Eye
Origin
Not Available
Southern and central Africa
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Blue, Grey
Streak
Not Available
Not Available
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Not Available
Not Available
Deities
Not Available
Not Available
Not to wear with
Not Available
Not Available
Powers
Not Available
Not Available
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.00-3.25
2.58-2.64
Fracture
Not Available
Gemstones of the world (2001)
Cleavage
Not Available
Not Available
Mohs Hardness
Not Available
7
Chemical Composition
CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
SiO 2Walter Schumann , Gemstones of the world (2001)
Luster
Not Available
Not Available
Pleochroism
Not Available
Not Available
Dispersion
Not Available
None
Transparency
Transparent
Gemstones of the world (2001)
Refractive Index
1.432-1.436
1.534-1.540
Optic Character
Not Available
Not Available
Crystal System
Not Available
Not Available
Birefringence
Not Available
Not Available
Clarity
Transparent
Gemstones of the world (2001)
Neurological
Not Available
Not Available
Cardiovascular
Not Available
Not Available
Respiratory
Not Available
Not Available
Reproductive
Not Available
Not Available
Digestive
Not Available
Not Available
Psychology
Not Available
Not Available
Healing
Not Available
Not Available
Qualities Associated
Not Available
Not Available
Blue John Vs Falcons Eye Fracture
Fracture is an important parameter when you compare Blue John and Falcons Eye Physical Properties. It is necessary to understand the significance of these properties, before you compare Blue John Vs Falcons Eye fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Falcons Eye fracture is Gemstones of the world (2001).
Blue John Vs Falcons Eye Luster
A primary knowledge about Blue John vs Falcons Eye luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria.