Brucite Vs Sillimanite
Origin
Pakistan
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil
Color
White, Green, Blue, Yellow, Brownish, Red, gray
Blue, Green, Brownish, Greenish, Colorless, gray
For which Rashi?
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Planet
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Element of Planets
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Energy
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Finger
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Ring Metal
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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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Solubility
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Durability
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Specific Gravity
2.39
3.20-3.26
Fracture
Irregular
Splintery
Cleavage
Perfect on {0001}
{010} perfect
Chemical Composition
Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Pearly
Vitreous, Subadamantine, Silky
Pleochroism
Not Available
Colourless to pale brown to yellow
Dispersion
Not Available
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Transparency
TransparentMichael OâDonoghue, Gems, Sixth Edition (2006)
Transparent, Translucent
Refractive Index
1.56-1.60
1.653-1.685
Optic Character
Not Available
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Crystal System
Trigonal
Orthorhombic
Birefringence
0.010-0.020
0.020-0.022
Clarity
TransparentMichael OâDonoghue
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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Brucite Vs Sillimanite Fracture
Fracture is an important parameter when you compare Brucite and Sillimanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Brucite Vs Sillimanite 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 Brucite is Irregular. Sillimanite fracture is Splintery.
Brucite Vs Sillimanite Luster
A primary knowledge about Brucite vs Sillimanite 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. Brucite exhibits Vitreous and Pearly luster. Sillimanite, on other hand, exhibits Vitreous, Subadamantine and Silky luster.