Astrophyllite Vs Hibonite
Origin
Canada, Russia
Madagascar
Color
Brown, Yellow, Greenish, Brown, Yellow, Greenish, Brown, Brownish, Red, Yellow
Brownish, Black, Reddish, Brown, Blue
Streak
Brown, White, Brown, White
Reddish, Brown
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
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Solubility
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Durability
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Specific Gravity
3.2-3.4
3.84
Fracture
Uneven, Brittle, Metallic
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
Perfect on [001] imperfect on [100]
{0001} good, {10 1 0} parting
Chemical Composition
(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)
(Ca,Ce)(Al,Ti,Mg)12O19
Luster
Greasy, Pearly
Vitreous
Pleochroism
Strong: X= deep red-orange Y= orange-yellow Z= lemon-yellow
O = brownish gray; E = gray
Dispersion
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Transparency
Translucent
Handbook of mineralogy (2001)
Refractive Index
1.678-1.758
1.79-1.807
Optic Character
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Crystal System
Triclinic
Hexagonal
Birefringence
0.050
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Clarity
Translucent
Handbook of mineralogy (2001)
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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Astrophyllite Vs Hibonite Fracture
Fracture is an important parameter when you compare Astrophyllite and Hibonite Physical Properties. It is necessary to understand the significance of these properties, before you compare Astrophyllite Vs Hibonite 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 Astrophyllite is Brittle, Metallic and Uneven. Hibonite fracture is Brittle, Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001) and Subconchoidal.
Astrophyllite Vs Hibonite Luster
A primary knowledge about Astrophyllite vs Hibonite 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. Astrophyllite exhibits Greasy and Pearly luster. Hibonite, on other hand, exhibits Vitreous luster.