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
Southern and central Africa
Color
Violet, White, Colorless, Blue, Red, Green, Yellow, pink, Violet, pink
White, Colorless, gray, Yellow
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
Not Available
Brittle
Solubility
insoluble in common solvents
Not Available
Durability
Not Available
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Specific Gravity
2.65
2.45-2.50
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
Indiscernible
Poor on {110}
Chemical Composition
SiO2
KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pleochroism
None
Not Available
Transparency
Transparent, Transparent to translucent
Gemmological Tables (2004) More from other references
Refractive Index
1.544-1.553
1.504-1.510
Optic Character
Not Available
Not Available
Crystal System
Trigonal
tetragonal
Birefringence
0.009
0.001
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 Leucite Fracture
Fracture is an important parameter when you compare Amethyst and Leucite Physical Properties. It is necessary to understand the significance of these properties, before you compare Amethyst Vs Leucite 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). Leucite fracture is Brittle, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009).
Amethyst Vs Leucite Luster
A primary knowledge about Amethyst vs Leucite 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. Leucite, on other hand, exhibits Vitreous luster.