Rosasite and Esperite Physical Properties

Rosasite

Esperite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.24.28-4.42

1 7.18

1.5 Fracture

Splintery

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

1.6 Cleavage

Perfect on {100} and {010}

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

1.7 Mohs Hardness

45-5.5

2 10

1.8 Chemical Composition

Not Available

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

Rosasite and Esperite Chemical Formula

While comparing Rosasite and Esperite 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 Rosasite and Esperite chemical formula.

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

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Rosasite and Esperite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rosasite and Esperite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rosasite and Esperite Optical Properties during the identification of gemstone. Specific gravity of Rosasite is 4.28-4.42 whereas that of Esperite is 4.28-4.42.