Sunstone and Esperite Physical Properties

Sunstone

Esperite

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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

2.62-2.654.28-4.42

1 7.18

1.5 Fracture

Gemstones of the world (2001)

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

1.6 Cleavage

001

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

1.7 Mohs Hardness

65-5.5

2 10

1.8 Chemical Composition

Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

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

Sunstone and Esperite Chemical Formula

While comparing Sunstone 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 Sunstone and Esperite chemical formula.

Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

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Sunstone and Esperite Specific Gravity

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