Origin
India, China
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
Blue, Yellow, Brown, gray, Reddish, Greenish
Yellow, Brown, Colorless, White, gray, Brownish, Yellow
For which Rashi?
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Planet
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Element of Planets
polyatomic nonmetal
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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
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Durability
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Specific Gravity
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2.97-3.03
Fracture
(e.g. graphite).
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Cleavage
{???} Imperfect, {???} Imperfect
{001} Poor
Mohs Hardness
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7
Chemical Composition
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CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
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Vitreous, Greasy
Pleochroism
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Weak: pale yellow yellow
Transparency
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Gemmological Tables (2004) More from other references
Refractive Index
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1.627-1.639
Optic Character
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Biaxial/+
Crystal System
Orthorhombic
Orthorhombic
Birefringence
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0.006
Clarity
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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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Sulfur Vs Danburite Fracture
Fracture is an important parameter when you compare Sulfur and Danburite Physical Properties. It is necessary to understand the significance of these properties, before you compare Sulfur 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 Sulfur is (e.g. graphite).. Danburite fracture is Brittle, Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Uneven and Uneven.
Sulfur Vs Danburite Luster
A primary knowledge about Sulfur 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. Danburite, on other hand, exhibits Greasy and Vitreous luster.