Origin
USA, Zambia, Madagascar, India, Sri Lanka, Russia, Australia, Color: violet, purple-violet, Hardness: 7, Refractive index: 1.54 1.55, Density: 2.65 2.66, Chemical composition: SiO2, Crystal structure: hexagonal, Lustre: vitreous, Origins: Widespread; main sources are Brazil, Uruguay, Bolivia, Argentina, USA, East Africa, Zambia, Namibia, Madagascar, India, Sri Lanka, Russia, Brazil, Uruguay, Bolivia, Argentina, Australia, Brazil, Uruguay, Bolivia, Argentina, Australia
Mexico, USA, Southern and central Africa
Color
Violet, White, Colorless, Blue, Red, Green, Yellow, pink, Violet, pink
Greenish, Colorless, White, Brown, Colorless, Yellow, White, Green
For which Rashi?
Pisces, Scorpio, Sagittarius, Pisces, Scorpio, Sagittarius, Pisces, Scorpio, Sagittarius
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Planet
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Element of Planets
Water
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Finger
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Ring Metal
Not Available
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Energy
Receptive
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Deities
Diana
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Not to wear with
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Powers
Love, Courage
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Planetary
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Talisman
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Tenacity
Not Available
Brittle
Solubility
insoluble in common solvents
Not Available
Durability
Not Available
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Specific Gravity
2.65
2.90-3.00
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
Indiscernible
None
Chemical Composition
SiO2
CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pleochroism
None
NilArthur Thomas
Transparency
Transparent, Transparent to translucent
Transparent
Refractive Index
1.544-1.553
1.621-1.675
Optic Character
Not Available
Not Available
Crystal System
Trigonal
monoclinic
Birefringence
0.009
0.044
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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Amethyst Vs Datolite Fracture
Fracture is an important parameter when you compare Amethyst and Datolite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amethyst Vs Datolite 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 Amethyst is Conchoidal, ConchoidalWalter Schumann and Gemstones of the world (2001). Datolite fracture is Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Metallic and Uneven.
Amethyst Vs Datolite Luster
A primary knowledge about Amethyst vs Datolite 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. Amethyst exhibits Vitreous luster. Datolite, on other hand, exhibits Vitreous luster.