Sillimanite Vs Starlite
Origin
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil
Sri Lanka
Color
Blue, Green, Brownish, Greenish, Colorless, gray
Blue
Streak
White
Not Available
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
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Finger
Not Available
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Ring Metal
Not Available
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Energy
Not Available
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Deities
Not Available
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Not to wear with
Not Available
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Powers
Not Available
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Planetary
Not Available
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Talisman
Not Available
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Tenacity
Tough
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.20-3.26
3.91-4.73
Fracture
Splintery
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
{010} perfect
Not Available
Mohs Hardness
6-7.5
6.5-7.5
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Subadamantine, Silky
Not Available
Pleochroism
Colourless to pale brown to yellow
Not Available
Dispersion
Not Available
Not Available
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.653-1.685
1.790-2.015
Optic Character
Not Available
Not Available
Crystal System
Orthorhombic
Not Available
Birefringence
0.020-0.022
0.005-0.055
Clarity
Transparent
Transparent
Neurological
Not Available
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Cardiovascular
Not Available
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Respiratory
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Reproductive
Not Available
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Digestive
Not Available
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Psychology
Not Available
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Healing
Not Available
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Qualities Associated
Not Available
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Sillimanite Vs Starlite Fracture
Fracture is an important parameter when you compare Sillimanite and Starlite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sillimanite Vs Starlite 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. Starlite fracture is ConchoidalArthur Thomas, ConchoidalArthur Thomas, Gemstones (2009) and Gemstones (2009).
Sillimanite Vs Starlite Luster
A primary knowledge about Sillimanite vs Starlite 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.