Gaspeite and Topaz Physical Properties

Gaspeite

Topaz

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

HCl soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.713.49-3.57

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

{10 1 1} Good

[001] Perfect

1.7 Mohs Hardness

4.5-58

2 10

1.8 Chemical Composition

(Ni,Mg,Fe++)CO3

Al₂SiO₄(F,OH)₂

Gaspeite and Topaz Chemical Formula

While comparing Gaspeite 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 Gaspeite and Topaz chemical formula.

Chemical formula of Gaspeite- (Ni,Mg,Fe++)CO3
Chemical formula of Topaz- Al₂SiO₄(F,OH)₂

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Gaspeite and Topaz Specific Gravity

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