Origin
Mexico, USA, Canada, Madagascar, Spain, Russia, Sri Lanka, India, Burma, Color: green, greenish yellow, blue, violet, Hardness: 5, Refractive index: 1.60 1.67, Density: 3.17 3.35, Chemical composition: Phosphate composition, Crystal structure: hexagonal, Lustre: vitreous, Origins: Mexico, USA, Canada, Madagascar, Spain, Russia, Sri Lanka, India, brown, green, Yellow, violet, brown, green, Yellow, violet
USA
Color
Yellow, Green, Blue, Blue, Green, White, Yellow, Green, Red, Blue, Green, Colorless, Yellow, Blue, Violet, pink, Brown
Colorless, White, Green, White, Green, Brown, Colorless, Green, White, White
For which Rashi?
Gemini
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Planet
Mercury
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Element of Planets
Earth
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Finger
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Ring Metal
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Energy
Projective
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Deities
Jupiter/Neptune
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Not to wear with
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Powers
Healing
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Planetary
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Talisman
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Tenacity
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Brittle
Solubility
Not Available
Easily soluble in cold dilute HCl
Durability
Not Available
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Specific Gravity
3.16-3.23
4.12
Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
Brittle, Uneven, Brittle, Uneven
Cleavage
[0001] indistinct, [1010] indistinct
Good in two directions parallel to the prism faces {110}
Chemical Composition
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
CaZn(AsO4)(OH)
Luster
Vitreous
Subadamantine, Silky, Fibrous
Pleochroism
Blue stones – strong
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Transparency
Gemmological Tables (2004) More from other references
Not Available
Refractive Index
1.628-1.651
1.759
Optic Character
Not Available
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Crystal System
Hexagonal
Orthorhombic
Birefringence
0.002-0.008
0.024
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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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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Apatite Vs Austinite Fracture
Fracture is an important parameter when you compare Apatite and Austinite Physical Properties. It is necessary to understand the significance of these properties, before you compare Apatite Vs Austinite 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 Apatite is Brittle, Conchoidal, Conchoidal, Conchoidal to uneven, ConchoidalArthur Thomas, Gemstones (2009) and Uneven. Austinite fracture is Brittle, Brittle, Uneven and Uneven.
Apatite Vs Austinite Luster
A primary knowledge about Apatite vs Austinite 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. Apatite exhibits Vitreous luster. Austinite, on other hand, exhibits Fibrous, Silky and Subadamantine luster.