Cuprite Vs Onyx
Origin
Southern and central Africa
Not Available
Color
Red, Brown, Red, Red, Black
White
Streak
Brownish, Red, Brownish, Red
Not Available
For which Rashi?
Not Available
Capricorn
Planet
Not Available
Saturn
Element of Planets
Not Available
Not Available
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Not Available
Projective
Deities
Not Available
Mars
Not to wear with
Not Available
Not Available
Powers
Not Available
Protection
Planetary
Not Available
Not Available
Talisman
Not Available
Capricorn
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
5.85-6.15
2.55-2.70
Fracture
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Not Available
Cleavage
Fair in four directions forming octahedrons
Indiscernible
Mohs Hardness
3.5-4
6.5-7
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiO2
Luster
Adamantine
Vitreous
Pleochroism
visible
Not Available
Dispersion
Not Available
Not Available
Transparency
TranslucentWalter Schumann
Translucent, Opaque, Translucent to opaque
Refractive Index
2.849
1.530-1.543
Optic Character
Not Available
Not Available
Crystal System
cubic
Trigonal
Birefringence
Not Available
Not Available
Clarity
TranslucentWalter Schumann
OpaqueHerve Nicolas Lazzarelli
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
Cuprite Vs Onyx Fracture
Fracture is an important parameter when you compare Cuprite and Onyx Physical Properties. It is necessary to understand the significance of these properties, before you compare Cuprite Vs Onyx 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 Cuprite is Brittle, Conchoidal, Conchoidal, Gemstones (2009), Metallic and UnevenArthur Thomas.
Cuprite Vs Onyx Luster
A primary knowledge about Cuprite vs Onyx 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. Cuprite exhibits Adamantine luster. Onyx, on other hand, exhibits Vitreous luster.