Pyrope Almandine and Calcite Physical Properties

Pyrope Almandine

Calcite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.62-4.202.67-2.73

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Not Available

Perfect on [10 1 1] three directions with angle of 74° 55

1.7 Mohs Hardness

7-7.53

2 10

1.8 Chemical Composition

(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

CaCO 3Ulrich Henn and Claudio C.

Pyrope Almandine and Calcite Chemical Formula

While comparing Pyrope Almandine and Calcite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Pyrope Almandine and Calcite chemical formula.

Chemical formula of Pyrope Almandine- (Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)
Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.

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Pyrope Almandine and Calcite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrope Almandine and Calcite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrope Almandine and Calcite Optical Properties during the identification of gemstone. Specific gravity of Pyrope Almandine is 2.67-2.73 whereas that of Calcite is 2.67-2.73.