Gypsum Vs Calcite
Color
Colorless, White, Colorless, Greenish, Brown, White, Colorless, Greenish, Brown, White, Colorless, Greenish, Brown
White, Colorless, White, pink, Yellow, Brown
For which Rashi?
Not Available
Cancer
Element of Planets
Not Available
Earth, Sun
Finger
Not Available
Not Available
Ring Metal
Not Available
Not Available
Energy
Not Available
Receptive
Deities
Not Available
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Not to wear with
Not Available
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Powers
Not Available
Spirituality, Healing
Planetary
Not Available
Not Available
Talisman
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Not Available
Tenacity
Flexible
Brittle
Solubility
Soluble
Soluble
Durability
Not Available
Not Available
Specific Gravity
2.20-2.40
2.67-2.73
Fracture
Conchoidal, Splintery, Fibrous, UnevenArthur Thomas, Gemstones (2009)
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
Perfect on {010}, distinct on {100}
Perfect on [10 1 1] three directions with angle of 74° 55
Chemical Composition
CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
CaCO 3Ulrich Henn and Claudio C.
Luster
Vitreous, Silky, Pearly, Waxy
Vitreous, Pearly
Pleochroism
None
NilArthur Thomas
Dispersion
Not Available
Not Available
Transparency
Transparent, Translucent
Transparent, Translucent
Refractive Index
1.521-1.531
1.486-1.658
Optic Character
Not Available
Not Available
Crystal System
monoclinic
Trigonal
Birefringence
0.010
0.154-0.174
Clarity
Transparent
Transparent
Neurological
Not Available
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Cardiovascular
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Respiratory
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Reproductive
Not Available
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Digestive
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Psychology
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Healing
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Qualities Associated
Not Available
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Gypsum Vs Calcite Fracture
Fracture is an important parameter when you compare Gypsum and Calcite Physical Properties. It is necessary to understand the significance of these properties, before you compare Gypsum Vs Calcite 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 Gypsum is Conchoidal, Fibrous, Gemstones (2009), Splintery and UnevenArthur Thomas. Calcite fracture is Brittle, Conchoidal, Conchoidal, ConchoidalArthur Thomas, ConchoidalArthur Thomas, Gemstones (2009) and Gemstones (2009).
Gypsum Vs Calcite Luster
A primary knowledge about Gypsum vs Calcite 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. Gypsum exhibits Pearly, Silky, Vitreous and Waxy luster. Calcite, on other hand, exhibits Pearly and Vitreous luster.