Pezzottaite and Sunstone Physical Properties

Pezzottaite

Sunstone

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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

2.90-3.142.62-2.65

1 7.18

1.5 Fracture

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

Gemstones of the world (2001)

1.6 Cleavage

Imperfect; basal

001

1.7 Mohs Hardness

7.5-86

2 10

1.8 Chemical Composition

(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

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

Pezzottaite and Sunstone Chemical Formula

While comparing Pezzottaite and Sunstone 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 Pezzottaite and Sunstone chemical formula.

Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

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Pezzottaite and Sunstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Sunstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Sunstone Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 2.62-2.65 whereas that of Sunstone is 2.62-2.65.