Origin
Southern and central Africa
Mexico, Thailand, Italy, Austria
Color
Colorless, Brown, Greenish, gray
Green, Brown, Colorless, Greenish, gray, Yellow, White
For which Rashi?
Not Available
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Planet
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Element of Planets
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Finger
Not Available
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Ring Metal
Not Available
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Energy
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Deities
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Not to wear with
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Powers
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Planetary
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Talisman
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Tenacity
Not Available
Brittle
Solubility
Not Available
Soluble
Durability
Not Available
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Specific Gravity
2.62-2.67
3.30-3.50
Fracture
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Cleavage
From the Greek, oligos and kasein, little cleavage.
Perfect on {110}, poor on {101}, {001} rare
Chemical Composition
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Adamantine, Silky
Pleochroism
Not Available
AbsentWalter Schumann
Transparency
Gemmological Tables (2004)
Transparent, Translucent
Refractive Index
1.538-1.550
1.614-1.636
Optic Character
Not Available
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Crystal System
Not Available
Orthorhombic
Birefringence
0.010
0.022
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Neurological
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Cardiovascular
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Respiratory
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Reproductive
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Digestive
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Psychology
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Healing
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Qualities Associated
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Oligoclase Vs Hemimorphite Fracture
Fracture is an important parameter when you compare Oligoclase and Hemimorphite Physical Properties. It is necessary to understand the significance of these properties, before you compare Oligoclase Vs Hemimorphite 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 Oligoclase is Gems, Gems, Sixth Edition (2006), Sixth Edition (2006) and Uneven. Hemimorphite fracture is Brittle, Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Uneven and Uneven.
Oligoclase Vs Hemimorphite Luster
A primary knowledge about Oligoclase vs Hemimorphite 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. Oligoclase exhibits Vitreous luster. Hemimorphite, on other hand, exhibits Adamantine, Silky and Vitreous luster.