Almandine and Chrome Tourmaline Physical Properties

Almandine

Chrome Tourmaline

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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

3.95-4.302.85-3.35

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

none

3,2

1.7 Mohs Hardness

7-7.57-7.5

2 10

1.8 Chemical Composition

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

Tourmaline is a series of several different minerals with unique chemical formulas.

Almandine and Chrome Tourmaline Chemical Formula

While comparing Almandine and Chrome Tourmaline 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 Chrome Tourmaline chemical formula.

Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.

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Almandine and Chrome Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine and Chrome Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Chrome Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Almandine is 2.85-3.35 whereas that of Chrome Tourmaline is 2.85-3.35.