Origin
Brazil, Madagascar, Russia, USA, Mexico, Pakistan, brown, Yellow, Orange, Brazil, Sri Lanka, Pakistan, Russia, brown, Yellow, Orange, Brazil, Sri Lanka, Pakistan, Russia
Brazil
Color
Yellow, Blue, Green, Red, White, Colorless, Blue, Red, Green, Yellow, pink, Brown
Yellow, Brown, gray, Greenish
For which Rashi?
Sagittarius
Not Available
Element of Planets
Not Available
Not Available
Energy
Projective
Not Available
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Not to wear with
Not Available
Not Available
Powers
Healing, Love, Money
Not Available
Planetary
Not Available
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Talisman
Not Available
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Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.49-3.57
3.83-3.89
Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Uneven, Conchoidal, UnevenArthur Thomas, Brittle
Cleavage
[001] Perfect
Perfect on {01 1 1}
Chemical Composition
Al2SiO4(F,OH)2
Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pleochroism
Weak
Not Available
Transparency
Transparent
Transparent, Translucent
Refractive Index
1.606-1.644
1.633-1.875
Optic Character
Not Available
Not Available
Crystal System
Orthorhombic
Trigonal
Birefringence
0.008-0.011
0.242
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent
Neurological
Not Available
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Cardiovascular
Not Available
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Respiratory
Not Available
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Reproductive
Not Available
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Digestive
Not Available
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Psychology
Not Available
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Healing
Not Available
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Qualities Associated
Not Available
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Topaz Vs Siderite Fracture
Fracture is an important parameter when you compare Topaz and Siderite Physical Properties. It is necessary to understand the significance of these properties, before you compare Topaz Vs Siderite 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 Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009) and Brittle. Siderite fracture is Uneven, Conchoidal, UnevenArthur Thomas and Brittle.
Topaz Vs Siderite Luster
A primary knowledge about Topaz vs Siderite 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. Siderite, on other hand, exhibits Pearly luster.