Almandine and Zircon Physical Properties

Almandine

Zircon

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.30

3.93-4.73

1.5 Fracture

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

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

none

{110} and {111}

1.7 Mohs Hardness

7-7.5

7.5

1.8 Chemical Composition

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

ZrSiO₄

Almandine and Zircon Chemical Formula

While comparing Almandine and Zircon 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 Zircon chemical formula.

Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Zircon- ZrSiO₄

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Almandine and Zircon Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine and Zircon Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Zircon Optical Properties during the identification of gemstone. Specific gravity of Almandine is 3.93-4.73 whereas that of Zircon is 3.93-4.73.