Polyhalite and Aquamarine Physical Properties

Polyhalite

Aquamarine

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.782.66-2.80

1 7.18

1.5 Fracture

Conchoidal, Brittle

Not Available

1.6 Cleavage

Perfect on {10 1 }; parting on {010}

3,1 basal

1.7 Mohs Hardness

3.57.5-8

2 10

1.8 Chemical Composition

Not Available

Be₃Al₂SiO₆

Polyhalite and Aquamarine Chemical Formula

While comparing Polyhalite and Aquamarine 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 Polyhalite and Aquamarine chemical formula.

Chemical formula of Aquamarine- Be₃Al₂SiO₆

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Polyhalite and Aquamarine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Aquamarine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Aquamarine Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 2.66-2.80 whereas that of Aquamarine is 2.66-2.80.