Alunite Vs Bastnasite
Origin
Australia, Italy
Turkey, Russia, Canada
Color
Yellow, Red, Reddish, Brown, Colorless, White, Yellow, Red, Reddish, Brown, Colorless, White, gray, White, gray, Reddish, White, gray, Reddish, White, gray, Reddish
Reddish, Brown
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
Brittle
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Solubility
Soluble
Not Available
Durability
Not Available
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Specific Gravity
2.6-2.9
4.95-5.0
Fracture
Conchoidal, Uneven
Uneven
Cleavage
On {0001}, perfect
Imperfect to indistinct on {10 1 0}, parting on {0001}
Chemical Composition
KAl3(SO4)2(OH)6
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Pearly
Vitreous, Greasy, Pearly
Pleochroism
Not Available
Faint
Dispersion
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Transparency
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Gemmological Tables (2004) More from other references
Refractive Index
1.572
1.717-1.722
Optic Character
Not Available
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Crystal System
Trigonal
Hexagonal
Birefringence
0.020
0.100
Clarity
Not Available
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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Alunite Vs Bastnasite Fracture
Fracture is an important parameter when you compare Alunite and Bastnasite Physical Properties. It is necessary to understand the significance of these properties, before you compare Alunite Vs Bastnasite 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 Alunite is Conchoidal and Uneven. Bastnasite fracture is Uneven.
Alunite Vs Bastnasite Luster
A primary knowledge about Alunite vs Bastnasite 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. Alunite exhibits Pearly and Vitreous luster. Bastnasite, on other hand, exhibits Greasy, Pearly and Vitreous luster.