Origin
Russia
Afghanistan, Brazil, Madagascar, Mozambique, Southern and central Africa, Russia, Sri Lanka
Color
Red, Reddish, Brown, Black, Brown, Reddish, orange
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
White
Not Available
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Not Available
Not Available
Deities
Not Available
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Not to wear with
Not Available
Not Available
Powers
Not Available
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Planetary
Not Available
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Talisman
Not Available
Not Available
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.87-4.14
3.01-3.06
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Poor on {120}, in traces on {001}
Not Available
Mohs Hardness
5.5-6
7-7.5
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Luster
Adamantine
Not Available
Pleochroism
Very weak
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent
Refractive Index
2.583-2.741
1.614-1.666
Optic Character
Not Available
Not Available
Crystal System
Orthorhombic
Not Available
Birefringence
0.117
0.014-0.040
Clarity
Gemmological Tables (2004) More from other references
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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Brookite Vs Rubellite Fracture
Fracture is an important parameter when you compare Brookite and Rubellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Brookite Vs Rubellite 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 Brookite is Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Subconchoidal. Rubellite fracture is ConchoidalArthur Thomas, ConchoidalArthur Thomas, Gemstones (2009) and Gemstones (2009).
Brookite Vs Rubellite Luster
A primary knowledge about Brookite vs Rubellite 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. Brookite exhibits Adamantine luster.