Proustite Vs Kyanite
Origin
Southern and central Africa
Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma
Color
Black, Reddish, gray
Blue, Yellow, Colorless, White, gray, Green, Black
For which Rashi?
Not Available
Aries, Libra, Taurus
Planet
Not Available
Jupiter
Element of Planets
Not Available
Water
Energy
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Receptive
Finger
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Ring Metal
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Deities
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Endurance, Meditation, Love
Not to wear with
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Powers
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Love
Planetary
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Talisman
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Solubility
Not Available
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Durability
Not Available
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Specific Gravity
5.51-5.64
3.53-3.65
Fracture
Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Splintery, Brittle, Metallic
Cleavage
Distinct on {10 1 1}
[100] perfect [010] imperfect with 79° angle between
Chemical Composition
Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Not Available
Luster
Adamantine
Vitreous, Pearly
Pleochroism
Moderate; cochineal-red to blood-red
Trichroic
Dispersion
Not Available
Not Available
Transparency
OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Rarely transparentMore from other references
Not Available
Refractive Index
2.792-3.087
1.71-1.74
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Triclinic
Birefringence
0.295-0.296
Not Available
Clarity
OpaqueUlrich Henn and Claudio C. Milisenda
Color grading system
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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Proustite Vs Kyanite Fracture
Fracture is an important parameter when you compare Proustite and Kyanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Proustite Vs Kyanite 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 Proustite is Uneven, ConchoidalArthur Thomas, Gemstones (2009) and Brittle. Kyanite fracture is Splintery, Brittle and Metallic.
Proustite Vs Kyanite Luster
A primary knowledge about Proustite vs Kyanite 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. Proustite exhibits Adamantine luster. Kyanite, on other hand, exhibits Vitreous and Pearly luster.