Pyrophyllite Vs Cordierite Iolite
Origin
Brazil
Canada, Madagascar, Southern and central Africa, Sri Lanka, USA
Color
White, Blue, Yellow, Brown, Green, Brownish, Greenish, gray
Violet, Blue
Streak
White
Not Available
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
Not Available
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Durability
Not Available
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Specific Gravity
2.65-2.90
2.56-2.66
Fracture
Gemstones (2009), Flexible Flexible fragments.
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
{001} Perfect
Not Available
Mohs Hardness
Not Available
7-7.5
Chemical Composition
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
Pleochroism
NilArthur Thomas
Strong trichroism: colorless to yellowish
Transparency
Translucent
Transparent
Refractive Index
1.534-1.601
1.542-1.578
Optic Character
Not Available
Biaxial/+
Crystal System
Not Available
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Birefringence
0.050
0.008-0.012
Clarity
Translucent
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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Pyrophyllite Vs Cordierite Iolite Fracture
Fracture is an important parameter when you compare Pyrophyllite and Cordierite Iolite Physical Properties. It is necessary to understand the significance of these properties, before you compare Pyrophyllite Vs Cordierite Iolite 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 Pyrophyllite is Flexible Flexible fragments. and Gemstones (2009). Cordierite Iolite fracture is ConchoidalWalter Schumann, Gemstones of the world (2001), Uneven and Uneven.
Pyrophyllite Vs Cordierite Iolite Luster
A primary knowledge about Pyrophyllite vs Cordierite Iolite 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. Pyrophyllite exhibits Pearly luster. Cordierite Iolite, on other hand, exhibits Vitreous luster.