Origin
Afghanistan, Australia, Brazil, Madagascar, Pakistan, Canada
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
Green, White
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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Solubility
insoluble
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Durability
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Specific Gravity
3.15-3.21
2.97-3.03
Fracture
Uneven, Subconchoidal, Gemstones (2009)
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Cleavage
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
{001} Poor
Chemical Composition
LiAlSi2O6
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Greasy
Pleochroism
Strong in kunzite: α-purple
Weak: pale yellow yellow
Transparency
Transparent
Gemmological Tables (2004) More from other references
Refractive Index
1.657-1.681
1.627-1.639
Optic Character
Not Available
Biaxial/+
Crystal System
monoclinic
Orthorhombic
Birefringence
0.014-0.018
0.006
Clarity
Gems
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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Spodumene Vs Danburite Fracture
Fracture is an important parameter when you compare Spodumene and Danburite Physical Properties. It is necessary to understand the significance of these properties, before you compare Spodumene 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 Spodumene is Gemstones (2009), Subconchoidal and Uneven. Danburite fracture is Brittle, Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Uneven and Uneven.
Spodumene Vs Danburite Luster
A primary knowledge about Spodumene 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. Spodumene exhibits Vitreous luster. Danburite, on other hand, exhibits Greasy and Vitreous luster.