Topaz and Garnet Physical Properties

Topaz

Garnet

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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

3.49-3.573.55-4.33

1 7.18

1.5 Fracture

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

Conchoidal, Uneven

1.6 Cleavage

[001] Perfect

Indistinct

1.7 Mohs Hardness

86.5-7.5

2 10

1.8 Chemical Composition

Al₂SiO₄(F,OH)₂

Garnet is a series of several different minerals with unique chemical formulas.

Topaz and Garnet Chemical Formula

While comparing Topaz and Garnet 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 Garnet chemical formula.

Chemical formula of Topaz- Al₂SiO₄(F,OH)₂
Chemical formula of Garnet- Garnet is a series of several different minerals with unique chemical formulas.

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Topaz and Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Garnet Optical Properties during the identification of gemstone. Specific gravity of Topaz is 3.55-4.33 whereas that of Garnet is 3.55-4.33.