Fluorapatite Vs Cancrinite
Origin
Southern and central Africa
Canada
Color
Violet, Blue, Yellow, Brown, White, Colorless
Colorless, White, Blue, gray, Green, Yellow
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
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Brittle
Solubility
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Durability
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Specific Gravity
3.1-3.25
2.42-2.52
Fracture
Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Irregular/uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Indistinct
Perfect on {10 1 0}, poor on {0001}
Chemical Composition
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
Na 2Ca 2Al 6Si 6O 24(CO 3) 2Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Vitreous, Resinous
Vitreous, Greasy, Pearly
Pleochroism
Weak to strong if coloreD
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Dispersion
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Transparency
Transparent
Transparent
Refractive Index
1.631-1.650
1.491-1.524
Optic Character
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Crystal System
Hexagonal
Hexagonal
Birefringence
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0.012-0.025
Clarity
Transparent
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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Fluorapatite Vs Cancrinite Fracture
Fracture is an important parameter when you compare Fluorapatite and Cancrinite Physical Properties. It is necessary to understand the significance of these properties, before you compare Fluorapatite Vs Cancrinite 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 Fluorapatite is Uneven, ConchoidalAnthony et al and Handbook of mineralogy (2001). Cancrinite fracture is Irregular/uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal and Brittle.
Fluorapatite Vs Cancrinite Luster
A primary knowledge about Fluorapatite vs Cancrinite 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. Fluorapatite exhibits Vitreous and Resinous luster. Cancrinite, on other hand, exhibits Vitreous, Greasy and Pearly luster.