Origin
Austria, Spain, Russia, Canada, Australia
Southern and central Africa
Color
Colorless, Brownish, Yellow, Green, gray, White
White, Colorless, Blue, Red, Green, Yellow, Violet, pink, Violet
Streak
White
Not Available
For which Rashi?
Not Available
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Planet
Not Available
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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
Not Available
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Deities
Not Available
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Not to wear with
Not Available
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Powers
Not Available
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Planetary
Not Available
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Talisman
Not Available
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Tenacity
Brittle
Not Available
Solubility
Not Available
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Durability
Not Available
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Specific Gravity
3.7-3.9
2.27-2.33
Fracture
Conchoidal, Brittle
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Cleavage
{001} perfect; {111} imperfect, may exhibit parting on , {011}
Not Available
Mohs Hardness
5.5-6
5.5-6
Chemical Composition
MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Pleochroism
Not Available
Not Available
Dispersion
Not Available
Not Available
Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Gemmological Tables (2004)
Refractive Index
1.735-1.738
1.483-1.487
Optic Character
Not Available
Not Available
Crystal System
Isometric
Not Available
Birefringence
Not Available
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Clarity
TransparentWalter Schumann
Transparent
Neurological
Not Available
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Cardiovascular
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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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Periclase Vs Hackmanite Fracture
Fracture is an important parameter when you compare Periclase and Hackmanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Periclase Vs Hackmanite 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 Periclase is Brittle and Conchoidal. Hackmanite fracture is Gemstones (2009), Gemstones (2009), UnevenArthur Thomas and UnevenArthur Thomas.
Periclase Vs Hackmanite Luster
A primary knowledge about Periclase vs Hackmanite 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. Periclase exhibits Vitreous luster. Hackmanite, on other hand, exhibits Vitreous luster.