Almandine and Kmmererite Physical Properties

Almandine

Kmmererite

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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

2.60-2.64

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

2-2.5

1.8 Chemical Composition

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

Not Available

Almandine and Kmmererite Chemical Formula

While comparing Almandine and Kmmererite 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 Kmmererite chemical formula.

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

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Almandine and Kmmererite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine and Kmmererite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Kmmererite Optical Properties during the identification of gemstone. Specific gravity of Almandine is 2.60-2.64 whereas that of Kmmererite is 2.60-2.64.