Esperite and Fluorite Physical Properties

Esperite

Fluorite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

slightly water soluble and in hot hydrochloric acid

1.3 Durability

Not Available

1.4 Specific Gravity

4.28-4.423.00-3.25

1 7.18

1.5 Fracture

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

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

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

Octahedral, perfect on {111}, parting on {011}

1.7 Mohs Hardness

5-5.54

2 10

1.8 Chemical Composition

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

CaF₂

Esperite and Fluorite Chemical Formula

While comparing Esperite and Fluorite 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 Fluorite chemical formula.

Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Fluorite- CaF₂

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Esperite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Esperite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Esperite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Esperite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.