Caledonite Vs Ludlamite
Color
Blue, Green, Blue, Green, Green
Green, Colorless, Greenish, White
Streak
Blue, Greenish, 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
Brittle
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Solubility
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Durability
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Specific Gravity
5.6-5.76
3.1-3.2
Fracture
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Cleavage
[001] perfect; [100] distinct
Vitreous, pearly on cleavage
Chemical Composition
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Vitreous
Vitreous, Pearly
Pleochroism
Weak
NilArthur Thomas
Dispersion
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Transparency
Transparent
Gemmological Tables (2004) More from other references
Refractive Index
1.818-1.909
1.653-1.693
Optic Character
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Crystal System
Orthorhombic
monoclinic
Birefringence
0.091
0.038-0.044
Clarity
Transparent
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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Caledonite Vs Ludlamite Fracture
Fracture is an important parameter when you compare Caledonite and Ludlamite Physical Properties. It is necessary to understand the significance of these properties, before you compare Caledonite 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 Caledonite is Handbook of mineralogy (2001), Uneven and UnevenAnthony et al. Ludlamite fracture is Gemstones (2009), Gemstones (2009), UnevenArthur Thomas and UnevenArthur Thomas.
Caledonite Vs Ludlamite Luster
A primary knowledge about Caledonite 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. Caledonite exhibits Vitreous luster. Ludlamite, on other hand, exhibits Pearly and Vitreous luster.