Esperite and Anorthite Physical Properties

Esperite

Anorthite

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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

4.28-4.422.77

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

Perfect [001] good [010] poor [110]

1.7 Mohs Hardness

5-5.56-6.5

2 10

1.8 Chemical Composition

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

CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Esperite and Anorthite Chemical Formula

While comparing Esperite and Anorthite 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 Anorthite chemical formula.

Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare White Gemstones

Esperite Vs Hardystonite

Esperite Vs Hydrogrossular

Esperite Vs Hackmanite

Esperite and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Esperite and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Esperite and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Esperite is 2.77 whereas that of Anorthite is 2.77.