Hollandite Vs Ludlamite
Color
Grey, Black, gray
Green, Colorless, Greenish, White
Streak
Black
Greenish, White
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
5.05
3.1-3.2
Fracture
Brittle, Metallic
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Cleavage
Distinct / Good, Prismatic
Vitreous, pearly on cleavage
Chemical Composition
Ba(Mn++++,Mn++)8O16
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
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Vitreous, Pearly
Pleochroism
Weak.
NilArthur Thomas
Dispersion
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Transparency
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Gemmological Tables (2004) More from other references
Refractive Index
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1.653-1.693
Optic Character
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Crystal System
monoclinic
monoclinic
Birefringence
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0.038-0.044
Clarity
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TransparentUlrich Henn and Claudio C. Milisenda
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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Hollandite Vs Ludlamite Fracture
Fracture is an important parameter when you compare Hollandite and Ludlamite Physical Properties. It is necessary to understand the significance of these properties, before you compare Hollandite 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 Hollandite is Brittle and Metallic. Ludlamite fracture is Gemstones (2009), Gemstones (2009), UnevenArthur Thomas and UnevenArthur Thomas.
Hollandite Vs Ludlamite Luster
A primary knowledge about Hollandite 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. Ludlamite, on other hand, exhibits Pearly and Vitreous luster.