Calcite Vs Holmquistite
Origin
Mexico
Southern and central Africa
Color
White, Colorless, pink, Yellow, Brown
Black, Blue, Violet
For which Rashi?
Cancer
Not Available
Planet
Not Available
Not Available
Element of Planets
Earth
Not Available
Energy
Not Available
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Finger
Not Available
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Ring Metal
Not Available
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Deities
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Not to wear with
Not Available
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Powers
Spirituality, Healing
Not Available
Planetary
Not Available
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Talisman
Not Available
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Tenacity
Brittle
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.67-2.73
2.95-3.13
Fracture
Conchoidal
Not Available
Cleavage
Perfect on [10 1 1] three directions with angle of 74° 55
{210} Perfect
Chemical Composition
CaCO 3Ulrich Henn and Claudio C.
Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Luster
Vitreous, Pearly
Vitreous
Pleochroism
Not Available
Strong in shades of violet when dark-colored.Anthony et al
Dispersion
Not Available
Not Available
Transparency
Transparent, Translucent
Transparent
Refractive Index
1.486-1.658
1.622-1.666
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Birefringence
0.154-0.174
Not Available
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
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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Calcite Vs Holmquistite Fracture
Fracture is an important parameter when you compare Calcite and Holmquistite Physical Properties. It is necessary to understand the significance of these properties, before you compare Calcite Vs Holmquistite 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 Calcite is Conchoidal.
Calcite Vs Holmquistite Luster
A primary knowledge about Calcite vs Holmquistite 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. Calcite exhibits Vitreous and Pearly luster. Holmquistite, on other hand, exhibits Vitreous luster.
