Stibiotantalite Vs Powellite
Origin
Mozambique, Southern and central Africa
India
Color
Yellow, Reddish, Brown, Greenish
Yellow, Greenish, Blue, Brown, Green, gray
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
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Solubility
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Durability
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Specific Gravity
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4.23
Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
{???} Perfect
{111} Distinct
Mohs Hardness
5.5-6
3.5-4
Chemical Composition
SbTaO 4Ulrich Henn and Claudio C.
CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Adamantine
Greasy, Subadamantine
Pleochroism
Not Available
In deeply colored specimens: blue greenAnthony et al
Dispersion
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Transparency
Gemmological Tables (2004) More from other references
Transparent
Refractive Index
2.37-2.45
1.974-1.984
Optic Character
Not Available
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Crystal System
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Birefringence
0.08
Not Available
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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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Stibiotantalite Vs Powellite Fracture
Fracture is an important parameter when you compare Stibiotantalite and Powellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Stibiotantalite Vs Powellite 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 Stibiotantalite is Brittle, Conchoidal, ConchoidalAnthony et al, ConchoidalAnthony et al, Handbook of mineralogy (2001) and Handbook of mineralogy (2001). Powellite fracture is Brittle, Conchoidal, Handbook of mineralogy (2001), Handbook of mineralogy (2001), UnevenAnthony et al and UnevenAnthony et al.
Stibiotantalite Vs Powellite Luster
A primary knowledge about Stibiotantalite vs Powellite 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. Stibiotantalite exhibits Adamantine luster. Powellite, on other hand, exhibits Greasy and Subadamantine luster.