Zinnwaldite and Tourmaline Physical Properties

Zinnwaldite

Tourmaline

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1 Physical Properties

1.1 Tenacity

Elastic

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.9-3.12.85-3.35

1 7.18

1.5 Fracture

Uneven

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect basal {001}

Indistinct

1.7 Mohs Hardness

3.5-4.07-7.5

2 10

1.8 Chemical Composition

Not Available

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

Zinnwaldite and Tourmaline Chemical Formula

While comparing Zinnwaldite 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 Zinnwaldite and Tourmaline chemical formula.

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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Zinnwaldite and Tourmaline Specific Gravity

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