Origin
Southern and central Africa
  
USA, Color: blue or violetish blue, colorless, Hardness: 6 6.5, Refractive index: 1.76 1.80, Density: 3.60 3.68, Chemical composition: BaTiSi3O9, Crystal structure: hexagonal, Lustre: vitreous, Origins: San Benito Country, USA. Very rare collectors stone. Found only in San Benito County, California, USA, with specimens over 2 ct. being extremely rare.
  
Color
Yellow, Brown, Black, Black
  
Violet, Blue, Colorless, Blue, pink, White, Colorless
  
Streak
White
  
White
  
For which Rashi?
Not Available
  
Not Available
  
Planet
Not Available
  
Not Available
  
Element of Planets
Not Available
  
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How to Wear?
  
  
Finger
Not Available
  
Not Available
  
Ring Metal
Not Available
  
Not Available
  
Energy
Not Available
  
Not Available
  
Deities
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Not to wear with
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Powers
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Birthstone
  
  
Planetary
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Talisman
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Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Insoluble: HCl
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.392
  
3.61-3.68
  
Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
  
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
  
Cleavage
{010} moderate, {100} imperfect
  
[10 1 1] poor
  
Mohs Hardness
6.5-7
  
6-6.5
  
Chemical Composition
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
  
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Luster
Vitreous, Resinous
  
Vitreous
  
Pleochroism
Faint
  
O = colorless; E = purple
  
Dispersion
Not Available
  
Transparency
TransparentAnthony et al, Handbook of mineralogy (2001)
  
Transparent
  
Refractive Index
1.827-1.879
  
1.757-1.804
  
Optic Character
Not Available
  
Not Available
  
Crystal System
Orthorhombic
  
Hexagonal
  
Birefringence
0.042-0.051
  
0.047
  
Clarity
TransparentAnthony et al
  
Transparent
  
Physical
  
  
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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Fayalite Vs Benitoite Fracture
Fracture is an important parameter when you compare Fayalite and Benitoite Physical Properties. It is necessary to understand the significance of these properties, before you compare Fayalite Vs Benitoite 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 Fayalite is Brittle, Conchoidal, Conchoidal, ConchoidalAnthony et al and Handbook of mineralogy (2001). Benitoite fracture is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009).
Fayalite Vs Benitoite Luster
A primary knowledge about Fayalite vs Benitoite 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. Fayalite exhibits Resinous and Vitreous luster. Benitoite, on other hand, exhibits Vitreous luster.