Black Opal Vs Natrolite
Origin
Australia
Russia, Columbia
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
White, White, Colorless, Red, Reddish
Streak
Not Available
White
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
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.97-2.22
2.20-2.26
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Brittle, Metallic, Gemstones (2009)
Cleavage
Not Available
Perfect on {110}
Mohs Hardness
6-6.5
5-5.5
Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Not Available
Vitreous, Silky, Pearly
Pleochroism
AbsentWalter Schumann
NilArthur Thomas
Dispersion
None
Not Available
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.370-1.470
1.478-1.493
Optic Character
Not Available
Not Available
Crystal System
Not Available
Orthorhombic
Birefringence
Not Available
0.012-0.013
Clarity
Transparent
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
Black Opal Vs Natrolite Fracture
Fracture is an important parameter when you compare Black Opal and Natrolite Physical Properties. It is necessary to understand the significance of these properties, before you compare Black Opal Vs Natrolite 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 Black Opal is ConchoidalArthur Thomas, ConchoidalArthur Thomas, Gemstones (2009) and Gemstones (2009). Natrolite fracture is Brittle, Gemstones (2009), Metallic and Uneven.
Black Opal Vs Natrolite Luster
A primary knowledge about Black Opal vs Natrolite 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. Natrolite, on other hand, exhibits Pearly, Silky and Vitreous luster.