Almandine Garnet and Tourmaline Physical Properties

Almandine Garnet

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

4.32.85-3.35

1 7.18

1.5 Fracture

Not Available

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

None.

Indistinct

1.7 Mohs Hardness

7.5-8.57-7.5

2 10

1.8 Chemical Composition

Fe₃Al₂Si₃O₁₂

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Almandine Garnet and Tourmaline Chemical Formula

While comparing Almandine Garnet and 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 Garnet and Tourmaline chemical formula.

Chemical formula of Almandine Garnet- Fe₃Al₂Si₃O₁₂
Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

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Almandine Garnet and Tourmaline Specific Gravity

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