Origin
Australia, Southern and central Africa, green, brown, Australia, France, green, brown, Australia, France
Not Available, blue
Color
Green, Colorless, gray, Yellow, White
Blue, Blue, Green, Blue, Blue
For which Rashi?
Libra
Sagittarius, Capricorn, Sagittarius, Capricorn, Sagittarius, Capricorn
Element of Planets
Earth
Water
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Receptive
Receptive
Not to wear with
Not Available
Not Available
Powers
Not Available
Psychic Power
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.80-2.95
3.70-3.90
Fracture
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
Distinct on [001]
Perfect on {011}, fair on {100}, poor on {110}
Mohs Hardness
6-6.5
3.5-4
Chemical Composition
Ca2Al2Si3O12(OH)
Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pleochroism
AbsentWalter Schumann
Visible shades of blue
Dispersion
None
Not Available
Transparency
Translucent
Transparent, Translucent
Refractive Index
1.611-1.673
1.720-1.850
Optic Character
Not Available
Not Available
Crystal System
Orthorhombic
monoclinic
Birefringence
0.021-0.033
0.108
Clarity
TranslucentHerve Nicolas Lazzarelli
Transparent
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
Prehnite Vs Azurite Fracture
Fracture is an important parameter when you compare Prehnite and Azurite Physical Properties. It is necessary to understand the significance of these properties, before you compare Prehnite Vs Azurite 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. Fracture observed in Prehnite is Brittle, Gemstones of the world (2001) More from other references, Metallic, Uneven, UnevenWalter Schumann, White and Yellow. Azurite fracture is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009).
Prehnite Vs Azurite Luster
A primary knowledge about Prehnite vs Azurite 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. Prehnite exhibits Vitreous luster. Azurite, on other hand, exhibits Vitreous luster.