Polyhalite and Beryl Physical Properties

Polyhalite

Beryl

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78

2.60-2.90

1.5 Fracture

Conchoidal, Brittle

Uneven, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Uneven, Gems, Brittle

1.6 Cleavage

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

Imperfect on {0001}

1.7 Mohs Hardness

3.5

7.5-8

1.8 Chemical Composition

Not Available

Be₃Al₂Si₆O₁₈

Polyhalite and Beryl Chemical Formula

While comparing Polyhalite and Beryl 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 Beryl chemical formula.

Chemical formula of Beryl- Be₃Al₂Si₆O₁₈

Compare Red Gemstones

Polyhalite Vs Heliotrope

Polyhalite Vs Jacinth

Polyhalite Vs Vanadinite

Polyhalite and Beryl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Beryl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Beryl Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 2.60-2.90 whereas that of Beryl is 2.60-2.90.

Red Gemstones

Richterite

Stolzite

Sylvite

Titanite

Vanadinite

Jacinth