Tourmaline and Rhodolite Physical Properties

Tourmaline

Rhodolite

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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

2.85-3.353.84

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal

1.6 Cleavage

Indistinct

none, may show indistinct parting

1.7 Mohs Hardness

7-7.57-7.5

2 10

1.8 Chemical Composition

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

(Mg,Fe)₃Al₂Si₃O₁₂

Tourmaline and Rhodolite Chemical Formula

While comparing Tourmaline and Rhodolite 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 Rhodolite 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.
Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂

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Tourmaline and Rhodolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Rhodolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Rhodolite Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 3.84 whereas that of Rhodolite is 3.84.