Jasper and Tourmaline Physical Properties

Jasper

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

2.58-2.91

2.85-3.35

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Indiscernible

Indistinct

1.7 Mohs Hardness

6.5-7

7-7.5

1.8 Chemical Composition

SiO₂

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

Jasper and Tourmaline Chemical Formula

While comparing Jasper 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 Jasper and Tourmaline chemical formula.

Chemical formula of Jasper- SiO₂
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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Jasper and Tourmaline Specific Gravity

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