Tourmaline and Chlorite group Physical Properties

Tourmaline

Chlorite group

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.85-3.35

Uneven, Conchoidal

Indistinct

7-7.5

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

2.6-3.3

Lamellar

Perfect 001

2-2.5

(Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6

Tourmaline and Chlorite group Chemical Formula

While comparing Tourmaline and Chlorite group 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 Tourmaline and Chlorite group chemical formula.

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Tourmaline and Chlorite group Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Chlorite group Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline Vs Chlorite group during the identification of gemstone. Specific gravity of Tourmaline is whereas that of Chlorite group is .