Topaz and Bayldonite Physical Properties

Topaz

Bayldonite

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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

3.49-3.575.50

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

[001] Perfect

None

1.7 Mohs Hardness

84.5

2 10

1.8 Chemical Composition

Al₂SiO₄(F,OH)₂

(Cu,Zn)3Pb(AsO3OH)2(OH)2

Topaz and Bayldonite Chemical Formula

While comparing Topaz and Bayldonite 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 Bayldonite chemical formula.

Chemical formula of Topaz- Al₂SiO₄(F,OH)₂
Chemical formula of Bayldonite- (Cu,Zn)3Pb(AsO3OH)2(OH)2

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Topaz and Bayldonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Bayldonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Bayldonite Optical Properties during the identification of gemstone. Specific gravity of Topaz is 5.50 whereas that of Bayldonite is 5.50.