Origin
Brazil
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
Black, Colorless, Green, Violet, White, Yellow, White, Colorless, Blue, Red, Green, Yellow, pink, Brown, Colorless, Violet, gray, Yellow
Yellow, Brown, Colorless, White, gray, Brownish, Yellow
For which Rashi?
Taurus, Capricorn, Sagittarius, Capricorn, Sagittarius
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Planet
Venus, Moon
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Element of Planets
Earth, Water
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Finger
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Ring Metal
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Energy
Receptive
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Deities
Nerthus
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Not to wear with
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Powers
Healing, Protection
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Planetary
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Talisman
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Solubility
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Durability
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Specific Gravity
2.65
2.97-3.03
Fracture
Conchoidal, Conchoidal, Brittle, Gems
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Cleavage
{0110} Indistinct
{001} Poor
Chemical Composition
SiO2
CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Greasy
Pleochroism
None
Weak: pale yellow yellow
Transparency
Transparent, Translucent, Transparent to translucent
Gemmological Tables (2004) More from other references
Refractive Index
1.544-1.553
1.627-1.639
Optic Character
Not Available
Biaxial/+
Crystal System
Trigonal
Orthorhombic
Birefringence
0.009
0.006
Clarity
Opaque
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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Quartz Vs Danburite Fracture
Fracture is an important parameter when you compare Quartz and Danburite Physical Properties. It is necessary to understand the significance of these properties, before you compare Quartz 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 Quartz is Brittle, Conchoidal, Conchoidal and Gems. Danburite fracture is Brittle, Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Uneven and Uneven.
Quartz Vs Danburite Luster
A primary knowledge about Quartz 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. Quartz exhibits Vitreous luster. Danburite, on other hand, exhibits Greasy and Vitreous luster.