Esperite and Starlite Physical Properties

Esperite

Starlite

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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

4.28-4.423.91-4.73

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

5-5.56.5-7.5

2 10

1.8 Chemical Composition

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

ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Esperite and Starlite Chemical Formula

While comparing Esperite and Starlite 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 Starlite chemical formula.

Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Starlite- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare White Gemstones

Esperite Vs Hackmanite

Esperite Vs Hardystonite

Esperite Vs Hydrogrossular

Esperite and Starlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Esperite and Starlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Esperite and Starlite Optical Properties during the identification of gemstone. Specific gravity of Esperite is 3.91-4.73 whereas that of Starlite is 3.91-4.73.