Friedelite Vs Brookite
Color
Red, Brown, Brown, Red, Yellow, pink
Red, Reddish, Brown, Black, Brown, Reddish, orange
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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Brittle
Solubility
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Durability
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Specific Gravity
3.06-3.19
3.87-4.14
Fracture
UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
{010} Perfect
Poor on {120}, in traces on {001}
Chemical Composition
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
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Adamantine
Pleochroism
NilArthur Thomas
Very weak
Dispersion
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Transparency
Translucent
Gemmological Tables (2004) More from other references
Refractive Index
1.627-1.663
2.583-2.741
Optic Character
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Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
Orthorhombic
Birefringence
0.032-0.035
0.117
Clarity
Translucent
Gemmological Tables (2004) More from other references
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 Brookite Fracture
Fracture is an important parameter when you compare Friedelite and Brookite Physical Properties. It is necessary to understand the significance of these properties, before you compare Friedelite Vs Brookite 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. Brookite fracture is Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Subconchoidal.
Friedelite Vs Brookite Luster
A primary knowledge about Friedelite vs Brookite 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, on other hand, exhibits Adamantine luster.