Poudretteite Vs Lawsonite
Origin
Canada, Southern and central Africa
Italy, China
Color
Violet, Colorless, pink
Colorless, White, Blue, gray
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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Solubility
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Durability
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Specific Gravity
2.51-2.53
3.09
Fracture
Conchoidal, Splintery
White, Yellow, Pale blue, Brittle, Uneven
Cleavage
None
Perfect on {100} and {010}, imperfect on {101}
Chemical Composition
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
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Luster
Vitreous
Vitreous, Greasy
Pleochroism
Colorless
Weak
Dispersion
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Transparency
Gemmological Tables (2004) More from other references
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Refractive Index
1.511-1.532
1.672-1.676
Optic Character
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Crystal System
Hexagonal
Orthorhombic
Birefringence
0.021
0.019-0.021
Clarity
TransparentUlrich Henn and Claudio C. Milisenda
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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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Poudretteite Vs Lawsonite Fracture
Fracture is an important parameter when you compare Poudretteite and Lawsonite Physical Properties. It is necessary to understand the significance of these properties, before you compare Poudretteite Vs Lawsonite 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 Poudretteite is Conchoidal and Splintery. Lawsonite fracture is Brittle, Pale blue, Uneven, White and Yellow.
Poudretteite Vs Lawsonite Luster
A primary knowledge about Poudretteite vs Lawsonite 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. Poudretteite exhibits Vitreous luster. Lawsonite, on other hand, exhibits Greasy and Vitreous luster.