Oligoclase Vs Calcite
Origin
Southern and central Africa
Mexico
Color
Colorless, Brown, Greenish, gray
White, Colorless, White, pink, Yellow, Brown
For which Rashi?
Not Available
Cancer
Element of Planets
Not Available
Earth, Sun
Finger
Not Available
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Ring Metal
Not Available
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Energy
Not Available
Receptive
Deities
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Not to wear with
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Powers
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Spirituality, Healing
Planetary
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Talisman
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Tenacity
Not Available
Brittle
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
2.62-2.67
2.67-2.73
Fracture
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
From the Greek, oligos and kasein, little cleavage.
Perfect on [10 1 1] three directions with angle of 74° 55
Chemical Composition
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
CaCO 3Ulrich Henn and Claudio C.
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Not Available
NilArthur Thomas
Dispersion
Not Available
Not Available
Transparency
Gemmological Tables (2004)
Transparent, Translucent
Refractive Index
1.538-1.550
1.486-1.658
Optic Character
Not Available
Not Available
Crystal System
Not Available
Trigonal
Birefringence
0.010
0.154-0.174
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Neurological
Not Available
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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 Calcite Fracture
Fracture is an important parameter when you compare Oligoclase and Calcite Physical Properties. It is necessary to understand the significance of these properties, before you compare Oligoclase Vs Calcite 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. Calcite fracture is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas, ConchoidalArthur Thomas, Gemstones (2009) and Gemstones (2009).
Oligoclase Vs Calcite Luster
A primary knowledge about Oligoclase vs Calcite 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. Calcite, on other hand, exhibits Pearly and Vitreous luster.