Origin
USA
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
Yellow, White, Brown, Red
Yellow, Green, Blue, Blue, Green, White, Yellow, Green, Red, Blue, Green, Colorless, Yellow, Blue, Violet, pink, Brown
For which Rashi?
Not Available
Gemini
Planet
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Mercury
Element of Planets
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Earth
Finger
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Ring Metal
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Energy
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Projective
Deities
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Jupiter/Neptune
Not to wear with
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Powers
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Healing
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
3.177
3.16-3.23
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
Cleavage
{???} Distinct
[0001] indistinct, [1010] indistinct
Chemical Composition
Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Pleochroism
Pale yellow very pale yellow colorlessAnthony et al
Blue stones – strong
Transparency
Transparent
Gemmological Tables (2004) More from other references
Refractive Index
1.563-1.593
1.628-1.651
Optic Character
Not Available
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Crystal System
Not Available
Hexagonal
Birefringence
Not Available
0.002-0.008
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
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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Norbergite Vs Apatite Fracture
Fracture is an important parameter when you compare Norbergite and Apatite Physical Properties. It is necessary to understand the significance of these properties, before you compare Norbergite 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 Norbergite is Brittle, Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven. Apatite fracture is Brittle, Conchoidal, Conchoidal, Conchoidal to uneven, ConchoidalArthur Thomas, Gemstones (2009) and Uneven.
Norbergite Vs Apatite Luster
A primary knowledge about Norbergite 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. Norbergite exhibits Vitreous luster. Apatite, on other hand, exhibits Vitreous luster.