Achroite and Sonolite Physical Properties

Achroite

Sonolite

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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.

3.82-4.00

{???} Indistinct

5.5

Mn2+9(SiO 4) 4(OH,F) 2Anthony et al , Handbook of mineralogy (2001)

Achroite and Sonolite Chemical Formula

While comparing Achroite and Sonolite 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 Sonolite chemical formula.

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Achroite and Sonolite Specific Gravity

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