Cavansite Vs Astrophyllite
Origin
India
Canada, Russia
Color
Blue, Greenish, Greenish, Blue
Brown, Yellow, Greenish, Brown, Yellow, Greenish, Brown, Brownish, Red, Yellow
Streak
Blue, White
Brown, White, Brown, White
For which Rashi?
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Planet
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Element of Planets
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Energy
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Finger
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Ring Metal
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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
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Durability
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Specific Gravity
2.25-2.33
3.2-3.4
Fracture
Brittle, Metallic, Brittle, Metallic
Uneven, Brittle, Metallic
Cleavage
Good on {010}
Perfect on [001] imperfect on [100]
Chemical Composition
Ca(VO)Si4O10•4(H2O)
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Pearly
Greasy, Pearly
Pleochroism
Visible: X=Z= colorless Y= blue
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
Dispersion
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Transparency
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Translucent
Refractive Index
1.542
1.678-1.758
Optic Character
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Crystal System
Orthorhombic
Triclinic
Birefringence
0.009
0.050
Clarity
Not Available
Translucent
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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Cavansite Vs Astrophyllite Fracture
Fracture is an important parameter when you compare Cavansite and Astrophyllite Physical Properties. It is necessary to understand the significance of these properties, before you compare Cavansite Vs Astrophyllite 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 Cavansite is Brittle, Metallic, Brittle and Metallic. Astrophyllite fracture is Uneven, Brittle and Metallic.
Cavansite Vs Astrophyllite Luster
A primary knowledge about Cavansite vs Astrophyllite 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. Cavansite exhibits Vitreous and Pearly luster. Astrophyllite, on other hand, exhibits Greasy and Pearly luster.
