Origin
Brazil, Madagascar, Russia, USA, Mexico, Pakistan, brown, Yellow, Orange, Brazil, Sri Lanka, Pakistan, Russia, brown, Yellow, Orange, Brazil, Sri Lanka, Pakistan, Russia
Canada
Color
Yellow, Blue, Green, Red, White, Colorless, Blue, Red, Green, Yellow, pink, Brown
Yellow, Brown, Red, White, Green, Reddish, Black
For which Rashi?
Sagittarius
Not Available
Element of Planets
Not Available
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Finger
Not Available
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Ring Metal
Not Available
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Energy
Projective
Not Available
Not to wear with
Not Available
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Powers
Healing, Love, Money
Not Available
Planetary
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Talisman
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Tenacity
Not Available
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Solubility
Not Available
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Durability
Not Available
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Specific Gravity
3.49-3.57
3.89-4.18
Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven
Cleavage
[001] Perfect
{0001}, {11 2 0} imperfect
Chemical Composition
Al2SiO4(F,OH)2
Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Resinous
Pleochroism
Weak
NilArthur Thomas
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.606-1.644
1.687-1.723
Optic Character
Not Available
Not Available
Crystal System
Orthorhombic
Trigonal
Birefringence
0.008-0.011
0.028-0.030
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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
Not Available
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Topaz Vs Willemite Fracture
Fracture is an important parameter when you compare Topaz and Willemite Physical Properties. It is necessary to understand the significance of these properties, before you compare Topaz Vs Willemite 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 Topaz is Brittle, ConchoidalArthur Thomas, Gemstones (2009), Subconchoidal and Uneven. Willemite fracture is Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven.
Topaz Vs Willemite Luster
A primary knowledge about Topaz vs Willemite 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. Topaz exhibits Vitreous luster. Willemite, on other hand, exhibits Resinous and Vitreous luster.