Origin
Boracite is found in evaporite deposits, Southern and central Africa, anhydrite and/or halite. Arthur Thomas
Australia, Brazil, Burma, Canada, India, Madagascar, Sri Lanka, Tanzania
Color
Colorless, White, Yellow, Blue, Green, Colorless, gray, Yellow, White
Blue, Violet, Greenish, Brown, Colorless, Colorless, Blue, Violet, Yellow, gray
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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Solubility
Soluble
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Durability
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Specific Gravity
2.95-2.96
2.57-2.66
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Subconchoidal, Conchoidal, Brittle
Cleavage
None
Fair on {100}, poor on {001} and {010}
Mohs Hardness
7-7.5
7-7.5
Chemical Composition
Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg2Al4Si5O18
Luster
Vitreous, Adamantine
Greasy, Vitreous
Pleochroism
None
X = pale yellow
Dispersion
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Transparency
Transparent
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Refractive Index
1.658-1.673
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Optic Character
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Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.010-0.011
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Clarity
Transparent
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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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Boracite Vs Cordierite Fracture
Fracture is an important parameter when you compare Boracite and Cordierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Boracite Vs Cordierite 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 Boracite is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009). Cordierite fracture is Brittle, Conchoidal and Subconchoidal.
Boracite Vs Cordierite Luster
A primary knowledge about Boracite vs Cordierite 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. Boracite exhibits Adamantine and Vitreous luster. Cordierite, on other hand, exhibits Greasy and Vitreous luster.