Origin
Southern and central Africa, violet, blue, violet, blue
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
Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink
Violet, Blue, Colorless, Blue, pink, White, Colorless
For which Rashi?
Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius
Not Available
Planet
Saturn
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Element of Planets
Water
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Finger
Not Available
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Ring Metal
Not Available
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Energy
Receptive
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Deities
Isis
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Not to wear with
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Powers
Healing
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Planetary
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Talisman
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Tenacity
Not Available
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Solubility
Not Available
Insoluble: HCl
Durability
Not Available
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Specific Gravity
3.26-3.41
3.61-3.68
Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
[10 1 1] poor
Mohs Hardness
7-8.5
6-6.5
Chemical Composition
AlAl6O3BSi3O18
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pleochroism
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
O = colorless; E = purple
Transparency
Translucent, Translucent to opaque
Transparent
Refractive Index
1.669-1.723
1.757-1.804
Optic Character
Not Available
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Crystal System
Orthorhombic
Hexagonal
Birefringence
0.011-0.037
0.047
Clarity
Translucent
Transparent
Neurological
Not Available
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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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Dumortierite Vs Benitoite Fracture
Fracture is an important parameter when you compare Dumortierite and Benitoite Physical Properties. It is necessary to understand the significance of these properties, before you compare Dumortierite 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 Dumortierite is ConchoidalWalter Schumann, Fibrous and Gemstones of the world (2001) More from other references. Benitoite fracture is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas and Gemstones (2009).
Dumortierite Vs Benitoite Luster
A primary knowledge about Dumortierite 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. Dumortierite exhibits Vitreous luster. Benitoite, on other hand, exhibits Vitreous luster.