Pollucite Vs Ludlamite
Origin
Afghanistan, Southern and central Africa
USA
Color
Grey, White, Colorless, gray, Pale pink, Blue
Green, Colorless, Greenish, White
Streak
White
Greenish, White
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
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Finger
Not Available
Not Available
Ring Metal
Not Available
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Energy
Not Available
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Deities
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Not to wear with
Not Available
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Powers
Not Available
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Planetary
Not Available
Not Available
Talisman
Not Available
Not Available
Tenacity
Brittle
Not Available
Solubility
Readily soluble in HF
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.86-2.94
3.1-3.2
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Cleavage
None observed
Vitreous, pearly on cleavage
Chemical Composition
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous, Greasy
Vitreous, Pearly
Pleochroism
Not Available
NilArthur Thomas
Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
Refractive Index
1.517-1.525
1.653-1.693
Optic Character
Not Available
Not Available
Crystal System
Isometric
monoclinic
Birefringence
Not Available
0.038-0.044
Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda
Neurological
Not Available
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Cardiovascular
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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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Pollucite Vs Ludlamite Fracture
Fracture is an important parameter when you compare Pollucite and Ludlamite Physical Properties. It is necessary to understand the significance of these properties, before you compare Pollucite Vs Ludlamite 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 Pollucite is Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Uneven. Ludlamite fracture is Gemstones (2009), Gemstones (2009), UnevenArthur Thomas and UnevenArthur Thomas.
Pollucite Vs Ludlamite Luster
A primary knowledge about Pollucite vs Ludlamite 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. Pollucite exhibits Greasy and Vitreous luster. Ludlamite, on other hand, exhibits Pearly and Vitreous luster.