Blue John Vs Linarite
Origin
Not Available
Linarite, from La Carolina District, Linares, Jaén, Andalusia, Spain, the type locality . Picture width 1.5 mm
Color
White, Colorless, Blue, Red, Green, Yellow, Violet
Blue
Streak
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Blue
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
3.00-3.25
5.35
Fracture
Not Available
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Cleavage
Not Available
Perfect on {100}, imperfect on {001}
Mohs Hardness
Not Available
2.5
Chemical Composition
CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Luster
Not Available
Sub-Adamantine, Vitreous
Pleochroism
Not Available
X = pale blue; Y = blue; Z = Prussian blue
Dispersion
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Transparency
Transparent
Transparent
Refractive Index
1.432-1.436
1.809-1.859
Optic Character
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Crystal System
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monoclinic
Birefringence
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0.050
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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Blue John Vs Linarite Fracture
Fracture is an important parameter when you compare Blue John and Linarite Physical Properties. It is necessary to understand the significance of these properties, before you compare Blue John Vs Linarite 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. Linarite fracture is Brittle, Conchoidal, ConchoidalAnthony et al and Handbook of mineralogy (2001).
Blue John Vs Linarite Luster
A primary knowledge about Blue John vs Linarite 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. Linarite, on other hand, exhibits Sub-Adamantine and Vitreous luster.