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Lawsonite Vs Poudretteite


Poudretteite Vs Lawsonite


Astrology

Origin
Italy, China  
Canada, Southern and central Africa  

Color
Colorless, White, Blue, gray  
Violet, Colorless, pink  

Streak
White  
White  

For which Rashi?
-  
-  

Planet
-  
-  

Element of Planets
-  
-  

Energy
-  
-  

How to Wear?
  
  

Finger
-  
-  

Ring Metal
-  
-  

Deities
-  
-  

Not to wear with
-  
-  

Powers
-  
-  

Birthstone
  
  

Planetary
-  
-  

Talisman
-  
-  

Physical Properties

Tenacity
Brittle  
Brittle  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
3.09  
2.51-2.53  

Fracture
Uneven  
Conchoidal, Splintery  

Cleavage
Perfect on {100} and {010}, imperfect on {101}  
None  

Mohs Hardness
8  
5  

Chemical Composition
CaAl2Si2O7(OH)2.H2O  
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)  

Optical Properties

Luster
Vitreous, Greasy  
Vitreous  

Pleochroism
Weak  
Colorless  

Dispersion
0.01  
99+
0.02  
99+

Transparency
-  
-  

Refractive Index
1.672-1.676  
1.511-1.532  

Optic Character
-  
-  

Crystal System
Orthorhombic  
Hexagonal  

Birefringence
0.019-0.021  
0.021  

Clarity
-  
TransparentUlrich Henn and Claudio C. Milisenda  

Benefits

Physical
  
  

Neurological
-  
-  

Cardiovascular
-  
-  

Respiratory
Good  
Good  

Reproductive
-  
-  

Digestive
-  
-  

Psychology
-  
-  

Healing
Emotional healing  
-  

Qualities Associated
-  
Love  

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Lawsonite Vs Poudretteite Fracture

Fracture is an important parameter when you compare Lawsonite and Poudretteite Physical Properties. It is necessary to understand the significance of these properties, before you compare Lawsonite Vs Poudretteite 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 Lawsonite is Uneven. Poudretteite fracture is Conchoidal and Splintery.

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Lawsonite Vs Poudretteite Luster

A primary knowledge about Lawsonite vs Poudretteite 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. Lawsonite exhibits Vitreous and Greasy luster. Poudretteite, on other hand, exhibits Vitreous luster.

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