Thulite Vs Beryllonite
Color
Red
Colorless, Colorless, White, Yellow
Streak
White, Colorless
White
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
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Brittle
Solubility
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Durability
Not Available
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Specific Gravity
3.1
2.79-2.87
Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
Perfect {010} imperfect {100}
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
Chemical Composition
Ca2Al3(SiO4)3(OH)
NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Adamantine, Pearly
Pleochroism
Present
AbsentWalter Schumann
Transparency
Opaque, Translucent, Opaque . May be translucent in thin backlit sections.
Gemmological Tables (2004) More from other references
Refractive Index
1.695
1.552-1.562
Optic Character
Not Available
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Crystal System
Orthorhombic
monoclinic
Birefringence
0.006-0.018
0.009
Clarity
OpaqueHerve Nicolas Lazzarelli
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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Thulite Vs Beryllonite Fracture
Fracture is an important parameter when you compare Thulite and Beryllonite Physical Properties. It is necessary to understand the significance of these properties, before you compare Thulite Vs Beryllonite 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 Thulite is Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven. Beryllonite fracture is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009).
Thulite Vs Beryllonite Luster
A primary knowledge about Thulite vs Beryllonite 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. Thulite exhibits Vitreous luster. Beryllonite, on other hand, exhibits Adamantine, Pearly and Vitreous luster.