Ludlamite Vs Povondraite
Color
Green, Colorless, Greenish, White
Brownish, Black
Streak
Greenish, White
Brown
For which Rashi?
Not Available
Not Available
Planet
Not Available
Not Available
Element of Planets
Not Available
Not Available
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Not Available
Not Available
Deities
Not Available
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Not to wear with
Not Available
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Powers
Not Available
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Planetary
Not Available
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Talisman
Not Available
Not Available
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.1-3.2
3.26
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Cleavage
Vitreous, pearly on cleavage
None
Mohs Hardness
3-4
Not Available
Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Luster
Vitreous, Pearly
Resinous
Pleochroism
NilArthur Thomas
Strong: yellow-brown
Dispersion
Not Available
Not Available
Transparency
Gemmological Tables (2004) More from other references
Translucent
Refractive Index
1.653-1.693
Not Available
Optic Character
Not Available
Not Available
Crystal System
monoclinic
Not Available
Birefringence
0.038-0.044
Not Available
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent
Neurological
Not Available
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Cardiovascular
Not Available
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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
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Qualities Associated
Not Available
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Ludlamite Vs Povondraite Fracture
Fracture is an important parameter when you compare Ludlamite and Povondraite Physical Properties. It is necessary to understand the significance of these properties, before you compare Ludlamite Vs Povondraite 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 Ludlamite is Gemstones (2009), Gemstones (2009), UnevenArthur Thomas and UnevenArthur Thomas. Povondraite fracture is ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven.
Ludlamite Vs Povondraite Luster
A primary knowledge about Ludlamite vs Povondraite 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 exhibits Pearly and Vitreous luster. Povondraite, on other hand, exhibits Resinous luster.