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
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Color
Violet, White, Colorless, Blue, Red, Green, Yellow, pink, Violet, pink
Black, Blue, Yellow, Green
Streak
White
Grey, Greenish, Brown
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
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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
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Brittle
Solubility
insoluble in common solvents
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Durability
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Specific Gravity
2.65
3.28-3.44
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Splintery, Brittle
Cleavage
Indiscernible
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Chemical Composition
SiO2
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Luster
Vitreous
Vitreous, Silky
Pleochroism
None
X = blue
Transparency
Transparent, Transparent to translucent
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Refractive Index
1.544-1.553
1.680-1.698
Optic Character
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Crystal System
Trigonal
monoclinic
Birefringence
0.009
0.005-0.008
Clarity
Transparent
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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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Amethyst Vs Riebeckite Fracture
Fracture is an important parameter when you compare Amethyst and Riebeckite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amethyst Vs Riebeckite 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). Riebeckite fracture is Brittle, Splintery and Uneven.
Amethyst Vs Riebeckite Luster
A primary knowledge about Amethyst vs Riebeckite 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. Riebeckite, on other hand, exhibits Silky and Vitreous luster.