Gyrolite and Tourmaline Physical Properties

Gyrolite

Tourmaline

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.482.85-3.35

1 7.18

1.5 Fracture

Brittle, Uneven, Brittle, Uneven

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on {001}

Indistinct

1.7 Mohs Hardness

27-7.5

2 10

1.8 Chemical Composition

NaCa16Si23AlO60(OH)8•64(H2O)

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

Gyrolite and Tourmaline Chemical Formula

While comparing Gyrolite 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 Gyrolite and Tourmaline chemical formula.

Chemical formula of Gyrolite- NaCa16Si23AlO60(OH)8•64(H2O)
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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Gyrolite and Tourmaline Specific Gravity

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