Proustite Vs Omphacite
Origin
Southern and central Africa
Southern and central Africa
Color
Black, Reddish, gray
Green
Streak
Black, Red
Greenish, White
For which Rashi?
Not Available
Not Available
Planet
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Element of Planets
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Finger
Not Available
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Ring Metal
Not Available
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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
Not Available
Solubility
Not Available
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Durability
Not Available
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Specific Gravity
5.51-5.64
3.16-3.43
Fracture
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
Distinct on {10 1 1}
{110} Good, {110} Good
Chemical Composition
Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Luster
Adamantine
Vitreous
Pleochroism
Moderate; cochineal-red to blood-red
Weak: colorless -- very pale green -- very pale green
Dispersion
Not Available
Not Available
Transparency
OpaqueUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) Rarely transparentMore from other references
TranslucentAnthony et al, Handbook of mineralogy (2001)
Refractive Index
2.792-3.087
1.662-1.723
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Not Available
Birefringence
0.295-0.296
Not Available
Clarity
OpaqueUlrich Henn and Claudio C. Milisenda
TranslucentAnthony et al
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 Omphacite Fracture
Fracture is an important parameter when you compare Proustite and Omphacite Physical Properties. It is necessary to understand the significance of these properties, before you compare Proustite Vs Omphacite 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 Brittle, ConchoidalArthur Thomas, Gemstones (2009), Uneven and Uneven. Omphacite fracture is Brittle, Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven.
Proustite Vs Omphacite Luster
A primary knowledge about Proustite vs Omphacite 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. Omphacite, on other hand, exhibits Vitreous luster.