Druzy and Topaz Physical Properties

Druzy

Topaz

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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

Not Available3.49-3.57

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

None

[001] Perfect

1.7 Mohs Hardness

2.5-38

2 10

1.8 Chemical Composition

Al₂SiO₄(F,OH)₂

Druzy and Topaz Chemical Formula

While comparing Druzy and Topaz 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 Druzy and Topaz chemical formula.

Chemical formula of Druzy- Au
Chemical formula of Topaz- Al₂SiO₄(F,OH)₂

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Druzy and Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Druzy and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Druzy and Topaz Optical Properties during the identification of gemstone. Specific gravity of Druzy is 3.49-3.57 whereas that of Topaz is 3.49-3.57.