Star Sapphire Vs Rubellite
Origin
Southern and central Africa
Afghanistan, Brazil, Madagascar, Mozambique, Southern and central Africa, Russia, Sri Lanka
Color
Yellow, Green, Blue, Violet
White, Colorless, Blue, Red, Green, Yellow, Violet
Streak
Not Available
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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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Solubility
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Durability
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Specific Gravity
3.90-4.05
3.01-3.06
Fracture
Not Available
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Not Available
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Mohs Hardness
Not Available
7-7.5
Chemical Composition
Al 2O 3Ulrich Henn and Claudio C.
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
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Pleochroism
Not Available
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.758-1.780
1.614-1.666
Optic Character
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Crystal System
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Birefringence
0.007-0.010
0.014-0.040
Clarity
Transparent
Transparent
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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Star Sapphire Vs Rubellite Fracture
Fracture is an important parameter when you compare Star Sapphire and Rubellite Physical Properties. It is necessary to understand the significance of these properties, before you compare Star Sapphire 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. Rubellite fracture is ConchoidalArthur Thomas, ConchoidalArthur Thomas, Gemstones (2009) and Gemstones (2009).
Star Sapphire Vs Rubellite Luster
A primary knowledge about Star Sapphire 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.