Origin
Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia
Madagascar
Color
Blue, Violet, Colorless, Red, Green, Brown
Brownish, Black, Reddish, Brown, Blue
Streak
White
Reddish, Brown
For which Rashi?
Sagittarius, Scorpio, Sagittarius, Scorpio, Sagittarius, Scorpio
Not Available
Planet
Pluto
Not Available
Element of Planets
Not Available
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Finger
Not Available
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Ring Metal
Not Available
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Energy
Projective
Not Available
Deities
Hephaestus
Not Available
Not to wear with
Not Available
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Powers
Money
Not Available
Planetary
Not Available
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Talisman
Not Available
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Tenacity
Not Available
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Solubility
none
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.64-3.66
3.84
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
None, but may exhibit slight parting
{0001} good, {10 1 0} parting
Chemical Composition
MgAl2O4
(Ca,Ce)(Al,Ti,Mg)12O19
Pleochroism
Absent
O = brownish gray; E = gray
Transparency
Transparent, Translucent, Transparent to translucent
Handbook of mineralogy (2001)
Refractive Index
1.73
1.79-1.807
Optic Character
Not Available
Not Available
Crystal System
Isometric
Hexagonal
Birefringence
Not Available
Not Available
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Handbook of mineralogy (2001)
Neurological
Not Available
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Cardiovascular
Not Available
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Respiratory
Not Available
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Reproductive
Not Available
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Digestive
Not Available
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Psychology
Not Available
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Healing
Not Available
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Qualities Associated
Not Available
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Spinel Vs Hibonite Fracture
Fracture is an important parameter when you compare Spinel and Hibonite Physical Properties. It is necessary to understand the significance of these properties, before you compare Spinel Vs Hibonite 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 Spinel is Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven. Hibonite fracture is Brittle, Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001) and Subconchoidal.
Spinel Vs Hibonite Luster
A primary knowledge about Spinel vs Hibonite 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. Spinel exhibits Vitreous luster. Hibonite, on other hand, exhibits Vitreous luster.