Origin
Southern and central Africa
Canada, Russia
Color
Red, Brown, Red, Red, Black
Brown, Yellow, Greenish, Brown, Yellow, Greenish, Brown, Brownish, Red, Yellow
Streak
Brownish, Red, Brownish, Red
Brown, White, Brown, White
For which Rashi?
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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
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Durability
Not Available
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Specific Gravity
5.85-6.15
3.2-3.4
Fracture
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven, Brittle, Metallic
Cleavage
Fair in four directions forming octahedrons
Perfect on [001] imperfect on [100]
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
Luster
Adamantine
Greasy, Pearly
Pleochroism
visible
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
Dispersion
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Transparency
TranslucentWalter Schumann
Translucent
Refractive Index
2.849
1.678-1.758
Optic Character
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Crystal System
cubic
Triclinic
Birefringence
Not Available
0.050
Clarity
TranslucentWalter Schumann
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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Cuprite Vs Astrophyllite Fracture
Fracture is an important parameter when you compare Cuprite and Astrophyllite Physical Properties. It is necessary to understand the significance of these properties, before you compare Cuprite 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 Cuprite is Brittle, Conchoidal, Conchoidal, Gemstones (2009), Metallic and UnevenArthur Thomas. Astrophyllite fracture is Brittle, Metallic and Uneven.
Cuprite Vs Astrophyllite Luster
A primary knowledge about Cuprite 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. Cuprite exhibits Adamantine luster. Astrophyllite, on other hand, exhibits Greasy and Pearly luster.