Simpsonite Vs Cordierite Iolite
Origin
Australia
  
Canada, Madagascar, Southern and central Africa, Sri Lanka, USA
  
Color
Colorless, White, Brownish, Yellow, Brown
  
Violet, Blue
  
Streak
White
  
Not Available
  
For which Rashi?
Not Available
  
Not Available
  
Planet
Not Available
  
Not Available
  
Element of Planets
Not Available
  
Not Available
  
How to Wear?
  
  
Finger
Not Available
  
Not Available
  
Ring Metal
Not Available
  
Not Available
  
Energy
Not Available
  
Not Available
  
Deities
Not Available
  
Not Available
  
Not to wear with
Not Available
  
Not Available
  
Powers
Not Available
  
Not Available
  
Birthstone
  
  
Planetary
Not Available
  
Not Available
  
Talisman
Not Available
  
Not Available
  
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
Not Available
  
2.56-2.66
  
Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
None
  
Not Available
  
Mohs Hardness
7-7.5
  
7-7.5
  
Chemical Composition
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
  
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
  
Luster
Adamantine
  
Vitreous
  
Pleochroism
NilArthur Thomas
  
Strong trichroism: colorless to yellowish
  
Dispersion
Not Available
  
Transparency
Gemmological Tables (2004) More from other references
  
Transparent
  
Refractive Index
1.994-2.040
  
1.542-1.578
  
Optic Character
Not Available
  
Biaxial/+
  
Crystal System
Not Available
  
Not Available
  
Birefringence
0.046
  
0.008-0.012
  
Clarity
Gemmological Tables (2004) More from other references
  
Transparent
  
Physical
  
  
Neurological
Not Available
  
Not Available
  
Cardiovascular
Not Available
  
Not Available
  
Respiratory
Not Available
  
Not Available
  
Reproductive
Not Available
  
Not Available
  
Digestive
Not Available
  
Not Available
  
Psychology
Not Available
  
Not Available
  
Healing
Not Available
  
Not Available
  
Qualities Associated
Not Available
  
Not Available
  
Simpsonite Vs Cordierite Iolite Fracture
Fracture is an important parameter when you compare Simpsonite and Cordierite Iolite Physical Properties. It is necessary to understand the significance of these properties, before you compare Simpsonite Vs Cordierite Iolite 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 Simpsonite is Brittle, Conchoidal, ConchoidalAnthony et al, ConchoidalAnthony et al, Handbook of mineralogy (2001) and Handbook of mineralogy (2001). Cordierite Iolite fracture is ConchoidalWalter Schumann, Gemstones of the world (2001), Uneven and Uneven.
Simpsonite Vs Cordierite Iolite Luster
A primary knowledge about Simpsonite vs Cordierite Iolite 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. Simpsonite exhibits Adamantine luster. Cordierite Iolite, on other hand, exhibits Vitreous luster.