Origin
Brazil, Southern and central Africa, Sri Lanka
USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Color: colorless, light yellow, light pink, Hardness: 7, Refractive index: 1.63 1.64, Density: 2.98 3.03, Chemical composition: Ca(B2Si2O8), Crystal structure: orthorhombic, Origins: USA, Mexico, Brazil, Germany, Switzerland, Sri Lanka, Burma, Madagascar, Japan. Colorless danburites are common, with light pink or yellowish stones being more rare and expensive. Only eye clean pieces are valuable.
Color
Red, gray
Yellow, Brown, Colorless, White, gray, Brownish, Yellow
For which Rashi?
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Planet
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Element of Planets
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Finger
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Ring Metal
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Energy
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Deities
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Not to wear with
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Powers
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Planetary
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Talisman
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Tenacity
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Brittle
Solubility
Insoluble in acids
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Durability
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Specific Gravity
4.20-4.30
2.97-3.03
Fracture
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Cleavage
{110} good, 100 moderate, parting on {092} and {011}
{001} Poor
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Adamantine
Vitreous, Greasy
Pleochroism
Weak to distinct brownish red-green-yellow
Weak: pale yellow yellow
Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
Refractive Index
2.609-2.903
1.627-1.639
Optic Character
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Biaxial/+
Crystal System
tetragonal
Orthorhombic
Birefringence
0.296
0.006
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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Rutile Vs Danburite Fracture
Fracture is an important parameter when you compare Rutile and Danburite Physical Properties. It is necessary to understand the significance of these properties, before you compare Rutile Vs Danburite 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 Rutile is ConchoidalArthur Thomas, Gemstones (2009) and Uneven. Danburite fracture is Brittle, Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Uneven and Uneven.
Rutile Vs Danburite Luster
A primary knowledge about Rutile vs Danburite 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. Rutile exhibits Adamantine luster. Danburite, on other hand, exhibits Greasy and Vitreous luster.