Origin
Australia
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
Color
Red, White, gray, Black
Yellow, Green, Blue, Blue, Green, White, Yellow, Green, Red, Blue, Green, Colorless, Yellow, Blue, Violet, pink, Brown
Streak
Brownish, Black
White
For which Rashi?
Not Available
Gemini
Planet
Not Available
Mercury
Element of Planets
Not Available
Earth
Finger
Not Available
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Ring Metal
Not Available
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Energy
Not Available
Projective
Deities
Not Available
Jupiter/Neptune
Not to wear with
Not Available
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Powers
Not Available
Healing
Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
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Specific Gravity
Not Available
3.16-3.23
Fracture
Conchoidal, Uneven
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
Cleavage
{1010} Imperfect, {0001} Imperfect
[0001] indistinct, [1010] indistinct
Chemical Composition
Not Available
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Luster
Not Available
Vitreous
Pleochroism
Strong (reflected light)
Blue stones – strong
Transparency
Not Available
Gemmological Tables (2004) More from other references
Refractive Index
Not Available
1.628-1.651
Optic Character
Not Available
Not Available
Crystal System
Hexagonal
Hexagonal
Birefringence
Not Available
0.002-0.008
Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Not Available
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Cardiovascular
Not Available
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Respiratory
Not Available
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Reproductive
Not Available
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Digestive
Not Available
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Psychology
Not Available
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Healing
Not Available
Not Available
Qualities Associated
Not Available
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Nickeline Vs Apatite Fracture
Fracture is an important parameter when you compare Nickeline and Apatite Physical Properties. It is necessary to understand the significance of these properties, before you compare Nickeline Vs Apatite 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 Nickeline is Conchoidal and Uneven. Apatite fracture is Brittle, Conchoidal, Conchoidal, Conchoidal to uneven, ConchoidalArthur Thomas, Gemstones (2009) and Uneven.
Nickeline Vs Apatite Luster
A primary knowledge about Nickeline vs Apatite 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, on other hand, exhibits Vitreous luster.