Origin
Australia, Southern and central Africa, green, brown, Australia, France, green, brown, Australia, France
Mexico
Color
Green, Colorless, gray, Yellow, White
Colorless, Blue, Violet, White, Brown, Colorless, Blue, Violet, White, rose, Brown, gray, Colorless, White, Violet, gray, Colorless, White, Violet, gray
For which Rashi?
Libra
Not Available
Planet
Venus
Not Available
Element of Planets
Earth
Not Available
Finger
Not Available
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Ring Metal
Not Available
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Energy
Receptive
Not Available
Deities
Freya
Not Available
Not to wear with
Not Available
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Powers
Not Available
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Planetary
Not Available
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Talisman
Not Available
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Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.80-2.95
2.90-2.98
Fracture
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
Distinct on [001]
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
Chemical Composition
Ca2Al2Si3O12(OH)
CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Luster
Vitreous
Pearly, Greasy
Pleochroism
AbsentWalter Schumann
For violet varieties
Transparency
Translucent
Transparent
Refractive Index
1.611-1.673
1.570-1.614
Optic Character
Not Available
Not Available
Crystal System
Orthorhombic
Orthorhombic
Birefringence
0.021-0.033
0.042-0.044
Clarity
TranslucentHerve Nicolas Lazzarelli
Transparent
Neurological
Not Available
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Cardiovascular
Not Available
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Respiratory
Not Available
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Reproductive
Not Available
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Digestive
Not Available
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Psychology
Not Available
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Healing
Not Available
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Qualities Associated
Not Available
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Prehnite Vs Anhydrite Fracture
Fracture is an important parameter when you compare Prehnite and Anhydrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Prehnite Vs Anhydrite 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 Prehnite is Brittle, Gemstones of the world (2001) More from other references, Metallic, Uneven, UnevenWalter Schumann, White and Yellow. Anhydrite fracture is Brittle, Brittle, Conchoidal, Conchoidal, Conchoidal, Gemstones (2009) and UnevenArthur Thomas.
Prehnite Vs Anhydrite Luster
A primary knowledge about Prehnite vs Anhydrite 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. Prehnite exhibits Vitreous luster. Anhydrite, on other hand, exhibits Greasy and Pearly luster.