Kutnohorite and Almandine Physical Properties

Kutnohorite

Almandine

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.12

3.95-4.30

1.5 Fracture

Subconchoidal, Brittle, Conchoidal

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

1.6 Cleavage

Perfect on {10 1 1}

none

1.7 Mohs Hardness

3-4

7-7.5

1.8 Chemical Composition

Not Available

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

Kutnohorite and Almandine Chemical Formula

While comparing Kutnohorite and Almandine 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 Kutnohorite and Almandine chemical formula.

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

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Kutnohorite and Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kutnohorite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kutnohorite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Kutnohorite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.