Montebrasite Vs Ludlamite
Origin
Brazil, Southern and central Africa
USA
Color
White, Colorless, Greenish, gray
Green, Colorless, Greenish, White
Streak
White
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
2.98-3.10
3.1-3.2
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Cleavage
{100} Perfect, {110} Good, {011} Distinct
Vitreous, pearly on cleavage
Chemical Composition
LiAl(PO 4)(OH,F)Walter 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
Not Available
Vitreous, Pearly
Pleochroism
Not Available
NilArthur Thomas
Dispersion
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Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
Gemmological Tables (2004) More from other references
Refractive Index
1.578-1.646
1.653-1.693
Optic Character
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Crystal System
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monoclinic
Birefringence
0.020-0.030
0.038-0.044
Clarity
TransparentWalter Schumann
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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Montebrasite Vs Ludlamite Fracture
Fracture is an important parameter when you compare Montebrasite and Ludlamite Physical Properties. It is necessary to understand the significance of these properties, before you compare Montebrasite 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 Montebrasite is Brittle, Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Uneven and Uneven. Ludlamite fracture is Gemstones (2009), Gemstones (2009), UnevenArthur Thomas and UnevenArthur Thomas.
Montebrasite Vs Ludlamite Luster
A primary knowledge about Montebrasite 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.