Esperite and Brookite Physical Properties

Esperite

Brookite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.28-4.423.87-4.14

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

Poor on {120}, in traces on {001}

1.7 Mohs Hardness

5-5.55.5-6

2 10

1.8 Chemical Composition

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

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Esperite and Brookite Chemical Formula

While comparing Esperite and Brookite 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 Brookite chemical formula.

Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare White Gemstones

Esperite Vs Hackmanite

Esperite Vs Hydrogrossular

Esperite Vs Hardystonite

Esperite and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Esperite and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Esperite and Brookite Optical Properties during the identification of gemstone. Specific gravity of Esperite is 3.87-4.14 whereas that of Brookite is 3.87-4.14.