Onyx Vs Opal
Origin
Not Available
Ethiopia
Color
White
Yellow, White, Red, Brown, Blue
Streak
Not Available
White
For which Rashi?
Capricorn
Cancer, Libra, Scorpio
Element of Planets
Not Available
Earth, Air, Water
Energy
Projective
Projective, Receptive
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Not to wear with
Not Available
Not Available
Powers
Protection
Astral Projection, Psychicism
Planetary
Not Available
Not Available
Talisman
Capricorn
Not Available
Tenacity
Not Available
BrittleWalter Schumann
Solubility
Not Available
hot salt water
Durability
Not Available
Not Available
Specific Gravity
2.55-2.70
1.98-2.25
Fracture
Not Available
Conchoidal, Gemstones of the world (2001) More from other references, Brittle
Cleavage
Indiscernible
None
Mohs Hardness
6.5-7
5-6.5
Chemical Composition
SiO2
SiO2 · nH2O
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Not Available
None
Dispersion
Not Available
None
Transparency
Translucent, Opaque, Translucent to opaque
Transparent, Translucent, Transparent to translucent
Refractive Index
1.530-1.543
1.37-1.52
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Trigonal
Birefringence
Not Available
Not Available
Clarity
OpaqueHerve 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
Onyx Vs Opal Fracture
Fracture is an important parameter when you compare Onyx and Opal Physical Properties. It is necessary to understand the significance of these properties, before you compare Onyx Vs Opal 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. Opal fracture is Conchoidal, Gemstones of the world (2001) More from other references and Brittle.
Onyx Vs Opal Luster
A primary knowledge about Onyx vs Opal 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. Onyx exhibits Vitreous luster. Opal, on other hand, exhibits Vitreous and Pearly luster.
