Sillimanite Vs Orthoclase
Origin
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil
Russia
Color
Blue, Green, Brownish, Greenish, Colorless, gray
Colorless, Colorless, Greenish, Yellow, White, pink
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
Tough
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Solubility
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Durability
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Specific Gravity
3.20-3.26
2.54-2.61
Fracture
Splintery
Gems, Uneven
Cleavage
{010} perfect
Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Subadamantine, Silky
Vitreous, Pearly
Pleochroism
Colourless to pale brown to yellow
colorless.
Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
Refractive Index
1.653-1.685
1.518-1.536
Optic Character
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Crystal System
Orthorhombic
monoclinic
Birefringence
0.020-0.022
0.0050-0.0060
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
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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Sillimanite Vs Orthoclase Fracture
Fracture is an important parameter when you compare Sillimanite and Orthoclase Physical Properties. It is necessary to understand the significance of these properties, before you compare Sillimanite Vs Orthoclase 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 Sillimanite is Splintery. Orthoclase fracture is Gems and Uneven.
Sillimanite Vs Orthoclase Luster
A primary knowledge about Sillimanite vs Orthoclase 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. Sillimanite exhibits Silky, Subadamantine and Vitreous luster. Orthoclase, on other hand, exhibits Pearly and Vitreous luster.