Topaz and Stichtite Physical Properties

Topaz

Stichtite

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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

3.49-3.572.11-2.20

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

[001] Perfect

Perfect on {0001}

1.7 Mohs Hardness

8Not Available

2 10

1.8 Chemical Composition

Al₂SiO₄(F,OH)₂

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

Topaz and Stichtite Chemical Formula

While comparing Topaz and Stichtite 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 Topaz and Stichtite chemical formula.

Chemical formula of Topaz- Al₂SiO₄(F,OH)₂
Chemical formula of Stichtite- Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Topaz and Stichtite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Stichtite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Stichtite Optical Properties during the identification of gemstone. Specific gravity of Topaz is 2.11-2.20 whereas that of Stichtite is 2.11-2.20.