Opal Vs Benitoite
Origin
Ethiopia
USA, San Benito Country, USA. Very rare collectors stone. Found only in San Benito County, California
Color
Yellow, White, Red, Brown, Blue
Violet, Blue, Colorless, pink, White
For which Rashi?
Cancer, Libra, Scorpio
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Element of Planets
Earth, Air, Water
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Powers
Astral Projection, Psychicism
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Tenacity
BrittleWalter Schumann
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Solubility
hot salt water
Insoluble: HCl
Specific Gravity
1.98-2.25
3.61-3.68
Fracture
Conchoidal
Conchoidal
Cleavage
None
[10 1 1] poor
Mohs Hardness
5-6.5
6-6.5
Chemical Composition
SiO2 · nH2O
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Vitreous
Pleochroism
None
O = colorless; E = purple
Transparency
Transparent, Translucent, Transparent to translucent
Transparent
Refractive Index
1.37-1.52
1.757-1.804
Crystal System
Trigonal
Hexagonal
Birefringence
-9999
0.047
Clarity
Transparent
Transparent
Neurological
Enhances mental clarity and focus
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Psychology
Creativity
Transformation
Healing
Emotional healing
Emotional healing
Qualities Associated
Creativity
Transformation
Opal Vs Benitoite Fracture
Fracture is an important parameter when you compare Opal and Benitoite Physical Properties. It is necessary to understand the significance of these properties, before you compare Opal Vs Benitoite 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 Opal is Conchoidal. Benitoite fracture is Conchoidal.
Opal Vs Benitoite Luster
A primary knowledge about Opal vs Benitoite 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. Opal exhibits Vitreous and Pearly luster. Benitoite, on other hand, exhibits Vitreous luster.