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
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
White
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For which Rashi?
Pisces, Scorpio, Sagittarius, Pisces, Scorpio, Sagittarius, Pisces, Scorpio, Sagittarius
Libra
Planet
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Venus, Mars
Element of Planets
Water
Earth
Energy
Receptive
Projective
Finger
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Ring Metal
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Deities
Diana
Venus, Mars
Not to wear with
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Powers
Love, Courage
Love, Courage
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
Not Available
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Specific Gravity
2.65
2.85-3.35
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Indiscernible
3,2
Chemical Composition
SiO2
Tourmaline is a series of several different minerals with unique chemical formulas.
Pleochroism
None
Not Available
Transparency
Transparent, Transparent to translucent
Transparent, Translucent
Refractive Index
1.544-1.553
1.614-1.666
Optic Character
Not Available
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Crystal System
Trigonal
Hexagonal
Birefringence
0.009
0.014-0.040
Clarity
Transparent
Transparent
Neurological
Not Available
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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 Chrome Tourmaline Fracture
Fracture is an important parameter when you compare Amethyst and Chrome Tourmaline Physical Properties. It is necessary to understand the significance of these properties, before you compare Amethyst Vs Chrome Tourmaline 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). Chrome Tourmaline fracture is ConchoidalArthur Thomas and Gemstones (2009).
Amethyst Vs Chrome Tourmaline Luster
A primary knowledge about Amethyst vs Chrome Tourmaline 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. Chrome Tourmaline, on other hand, exhibits Vitreous luster.
