Achroite and Pezzottaite Physical Properties

Achroite

Pezzottaite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.90-3.40

Uneven, ConchoidalWalter Schumann

Indiscernible

7-7.5

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

2.90-3.14

Conchoidal, Uneven

Imperfect; basal

7.5-8

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

Achroite and Pezzottaite Chemical Formula

While comparing Achroite and Pezzottaite 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 Achroite and Pezzottaite chemical formula.

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Achroite and Pezzottaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Achroite and Pezzottaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Achroite Vs Pezzottaite during the identification of gemstone. Specific gravity of Achroite is whereas that of Pezzottaite is .