Tourmaline and Citrine Physical Properties

Tourmaline

Citrine

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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

2.85-3.35

2.65

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

ConchoidalMichael OâDonoghue, Gems, Sixth Edition (2006), Gems, Sixth Edition (2006)

1.6 Cleavage

Indistinct

Indiscernible

1.7 Mohs Hardness

7-7.5

1.8 Chemical Composition

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

SiO₂

Tourmaline and Citrine Chemical Formula

While comparing Tourmaline and Citrine 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 Citrine 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 Citrine- SiO₂

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Tourmaline and Citrine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Citrine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Citrine Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 2.65 whereas that of Citrine is 2.65.