Esperite and Andalusite Physical Properties

Esperite

Andalusite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.28-4.423.05-3.21

1 7.18

1.5 Fracture

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

Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Good on {110}, poor on {100}

1.7 Mohs Hardness

5-5.57.5

2 10

1.8 Chemical Composition

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

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Esperite and Andalusite Chemical Formula

While comparing Esperite and Andalusite 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 Andalusite chemical formula.

Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare White Gemstones

Esperite Vs Hydrogrossular

Esperite Vs Hardystonite

Esperite Vs Hackmanite

Esperite and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Esperite and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Esperite and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Esperite is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.