Esperite and Imperial Topaz Physical Properties

Esperite

Imperial 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

4.28-4.423.49-3.57

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Metallic

Uneven

1.6 Cleavage

Distinct on [010] and [100] poor on [101]

Not Available

1.7 Mohs Hardness

5-5.58

2 10

1.8 Chemical Composition

PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

Not Available

Esperite and Imperial Topaz Chemical Formula

While comparing Esperite and Imperial 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 Esperite and Imperial Topaz chemical formula.

Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

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Esperite and Imperial Topaz Specific Gravity

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