Origin
Southern and central Africa
Canada
Color
Colorless, Brown, Greenish, gray
Reddish, White, Violet, gray, Black, Reddish, White, Violet, gray, Black
For which Rashi?
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Planet
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Element of Planets
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Finger
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Ring Metal
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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
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Solubility
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Durability
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Specific Gravity
2.62-2.67
6.3
Fracture
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
Cleavage
From the Greek, oligos and kasein, little cleavage.
{100} Good, {010} Good, {001} Good
Chemical Composition
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
CoAsSAnthony et al , Handbook of mineralogy (2001)
Luster
Vitreous
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Pleochroism
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Very weak
Dispersion
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Transparency
Gemmological Tables (2004)
Gems
Refractive Index
1.538-1.550
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Optic Character
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Crystal System
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Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
Birefringence
0.010
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Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Gems
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 Cobaltite Fracture
Fracture is an important parameter when you compare Oligoclase and Cobaltite Physical Properties. It is necessary to understand the significance of these properties, before you compare Oligoclase Vs Cobaltite 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. Cobaltite fracture is Brittle, Handbook of mineralogy (2001) More from other references, Handbook of mineralogy (2001) More from other references, Metallic, UnevenAnthony et al and UnevenAnthony et al.
Oligoclase Vs Cobaltite Luster
A primary knowledge about Oligoclase vs Cobaltite 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.