Almandine and Cymophane Physical Properties

Almandine

Cymophane

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.30

3.69-3.81

1.5 Fracture

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

Not Available

1.6 Cleavage

none

Not Available

1.7 Mohs Hardness

7-7.5

8.5

1.8 Chemical Composition

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

BeAl 2O 4Arthur Thomas , Gemstones (2009)

Almandine and Cymophane Chemical Formula

While comparing Almandine and Cymophane 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 Almandine and Cymophane chemical formula.

Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Cymophane- BeAl 2O 4Arthur Thomas , Gemstones (2009)

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Almandine and Cymophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine and Cymophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Cymophane Optical Properties during the identification of gemstone. Specific gravity of Almandine is 3.69-3.81 whereas that of Cymophane is 3.69-3.81.