Sylvite Vs Afghanite
Origin
Mexico, Canada
Afghanistan, Italy
Color
Colorless, White, Blue, Red, Reddish, Brownish
Blue, Blue, Colorless, Blue, Colorless
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
Brittle
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Solubility
Soluble
Not Available
Durability
Not Available
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Specific Gravity
1.993
2.55-2.65
Fracture
Uneven, Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
Cleavage
Perfect on [100], [010], [001]
Perfect {10 1 0}
Chemical Composition
Not Available
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Pleochroism
Visible in colored crystals
Not Available
Dispersion
Not Available
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Transparency
Not Available
Transparent, Gemstones (2009)
Refractive Index
1.4903
1.523
Optic Character
Not Available
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Crystal System
Isometric
Trigonal
Birefringence
Not Available
0.006
Clarity
Not Available
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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Sylvite Vs Afghanite Fracture
Fracture is an important parameter when you compare Sylvite and Afghanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sylvite Vs Afghanite 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 Sylvite is Brittle and Uneven. Afghanite fracture is Brittle, Brittle, Conchoidal, Conchoidal, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009).
Sylvite Vs Afghanite Luster
A primary knowledge about Sylvite vs Afghanite 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. Sylvite exhibits Vitreous luster. Afghanite, on other hand, exhibits Vitreous luster.