Stichtite and Amethyst Physical Properties

Stichtite

Amethyst

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

insoluble in common solvents

1.3 Durability

Not Available

1.4 Specific Gravity

2.11-2.202.65

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven

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

1.6 Cleavage

Perfect on {0001}

Indiscernible

1.7 Mohs Hardness

Not Available7

2 10

1.8 Chemical Composition

Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

SiO₂

Stichtite and Amethyst Chemical Formula

While comparing Stichtite 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 Stichtite and Amethyst chemical formula.

Chemical formula of Stichtite- Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Amethyst- SiO₂

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Stichtite and Amethyst Specific Gravity

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