Amethyst and Stolzite Physical Properties

Amethyst

Stolzite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

insoluble in common solvents

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.652

1 7.18

1.5 Fracture

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

Conchoidal, Uneven, Brittle

1.6 Cleavage

Indiscernible

Imperfect on {001}, indistinct on {011}

1.7 Mohs Hardness

72.5-3

2 10

1.8 Chemical Composition

SiO₂

Not Available

Amethyst and Stolzite Chemical Formula

While comparing Amethyst and Stolzite 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 Amethyst and Stolzite chemical formula.

Chemical formula of Amethyst- SiO₂

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Amethyst and Stolzite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Stolzite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Stolzite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 2 whereas that of Stolzite is 2.