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, brown, green, Yellow
Czech, Mexico, Australia
Color
Yellow, Green, Blue, White, Red, Colorless, Violet, pink, Brown
Red, Colorless, Violet, pink
For which Rashi?
Gemini
Not Available
Planet
Mercury
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Element of Planets
Earth
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Energy
Projective
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Finger
Not Available
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Ring Metal
Not Available
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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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Sectile
Solubility
Not Available
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Durability
Not Available
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Specific Gravity
3.16-3.23
3.06
Fracture
Conchoidal, Uneven, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Cleavage
[0001] indistinct, [1010] indistinct
Perfect on {010}; poor on {100} and { 1 02}.
Mohs Hardness
5
Not Available
Chemical Composition
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Co3(AsO4)2•8(H2O)
Luster
Vitreous
Subadamantine, Pearly
Pleochroism
Blue stones – strong
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red
Transparency
Gemmological Tables (2004) More from other references
Not Available
Refractive Index
1.628-1.651
1.626-1.629
Optic Character
Not Available
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Crystal System
Hexagonal
monoclinic
Birefringence
0.002-0.008
Not Available
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 Erythrite Fracture
Fracture is an important parameter when you compare Apatite and Erythrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Apatite Vs Erythrite 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 Conchoidal, Uneven, Brittle, ConchoidalArthur Thomas, Gemstones (2009) and Conchoidal to uneven. Erythrite fracture is Sectile Curved shavings or scrapings produced by a knife blade and (e.g. graphite)..
Apatite Vs Erythrite Luster
A primary knowledge about Apatite vs Erythrite 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. Erythrite, on other hand, exhibits Subadamantine and Pearly luster.