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
Canada, Southern and central Africa
Color
Violet, White, Colorless, Blue, Red, Green, Yellow, pink, Violet, pink
Colorless, Red, orange, Brown, pink
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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Solubility
insoluble in common solvents
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Durability
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Specific Gravity
2.65
2.79
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Brittle, Metallic
Cleavage
Indiscernible
{100} Perfect, {010} Perfect, {001} Perfect
Chemical Composition
SiO2
NaFUlrich Henn and Claudio C.
Luster
Vitreous
Not Available
Pleochroism
None
Yellow to pink/deep carmineMichael OâDonoghue
Transparency
Transparent, Transparent to translucent
Gemmological Tables (2004) More from other references
Refractive Index
1.544-1.553
1.328-1.332
Optic Character
Not Available
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Crystal System
Trigonal
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Birefringence
0.009
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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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Amethyst Vs Villiaumite Fracture
Fracture is an important parameter when you compare Amethyst and Villiaumite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amethyst Vs Villiaumite 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). Villiaumite fracture is Brittle and Metallic.
Amethyst Vs Villiaumite Luster
A primary knowledge about Amethyst vs Villiaumite 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.