Rutile and Amethyst Physical Properties

Rutile

Amethyst

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Insoluble in acids

insoluble in common solvents

1.3 Durability

Not Available

1.4 Specific Gravity

4.20-4.302.65

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{110} good, 100 moderate, parting on {092} and {011}

Indiscernible

1.7 Mohs Hardness

6-6.57

2 10

1.8 Chemical Composition

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

SiO₂

Rutile and Amethyst Chemical Formula

While comparing Rutile and Amethyst 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 Rutile and Amethyst chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Amethyst- SiO₂

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Rutile and Amethyst Specific Gravity

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