Friedelite Vs Star Sapphire
Origin
USA
Southern and central Africa
Color
Red, Brown, Brown, Red, Yellow, pink
Yellow, Green, Blue, Violet
Streak
pink
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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
Not Available
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Durability
Not Available
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Specific Gravity
3.06-3.19
3.90-4.05
Fracture
UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven
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Cleavage
{010} Perfect
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Mohs Hardness
4-5
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Chemical Composition
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Al 2O 3Ulrich Henn and Claudio C.
Luster
Not Available
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Pleochroism
NilArthur Thomas
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Dispersion
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Transparency
Translucent
Transparent, Translucent
Refractive Index
1.627-1.663
1.758-1.780
Optic Character
Not Available
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Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
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Birefringence
0.032-0.035
0.007-0.010
Clarity
Translucent
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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Friedelite Vs Star Sapphire Fracture
Fracture is an important parameter when you compare Friedelite and Star Sapphire Physical Properties. It is necessary to understand the significance of these properties, before you compare Friedelite Vs Star Sapphire 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 Friedelite is Brittle, Gemstones (2009) Tough, Gemstones (2009) Tough, Uneven, UnevenArthur Thomas and UnevenArthur Thomas.
Friedelite Vs Star Sapphire Luster
A primary knowledge about Friedelite vs Star Sapphire 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.