Boracite Vs Gahnite
Origin
Boracite is found in evaporite deposits, Southern and central Africa, anhydrite and/or halite. Arthur Thomas
Australia
Color
Colorless, White, Yellow, Blue, Green, Colorless, gray, Yellow, White
Blue, Green, Greenish, Black
For which Rashi?
Not Available
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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
Brittle
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Solubility
Soluble
Not Available
Durability
Not Available
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Specific Gravity
2.95-2.96
4.00-4.62
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Conchoidal, Uneven
Cleavage
None
Indistinct parting on [111]
Mohs Hardness
7-7.5
7.5-8
Chemical Composition
Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Vitreous, Adamantine
Vitreous
Pleochroism
None
Not Available
Dispersion
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Transparency
Transparent
Gemmological Tables (2004) More from other references
Refractive Index
1.658-1.673
1.790-1.818
Optic Character
Not Available
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Crystal System
Orthorhombic
cubic
Birefringence
0.010-0.011
Not Available
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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Boracite Vs Gahnite Fracture
Fracture is an important parameter when you compare Boracite and Gahnite Physical Properties. It is necessary to understand the significance of these properties, before you compare Boracite Vs Gahnite 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). Gahnite fracture is Conchoidal and Uneven.
Boracite Vs Gahnite Luster
A primary knowledge about Boracite vs Gahnite 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. Gahnite, on other hand, exhibits Vitreous luster.