Sussexite and Topaz Physical Properties

Sussexite

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

3.303.49-3.57

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

[001] Perfect

1.7 Mohs Hardness

3-3.58

2 10

1.8 Chemical Composition

Mn2+ BO 2(OH)Anthony et al , Handbook of mineralogy (2001)

Al₂SiO₄(F,OH)₂

Sussexite and Topaz Chemical Formula

While comparing Sussexite 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 Sussexite and Topaz chemical formula.

Chemical formula of Sussexite- Mn2+ BO 2(OH)Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Topaz- Al₂SiO₄(F,OH)₂

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Sussexite and Topaz Specific Gravity

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