Polyhalite and Super Seven Crystals Physical Properties

Polyhalite

Super Seven Crystals

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

Soluble

2.78

Conchoidal

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

3.5

K2Ca2Mg(SO4)4·2H2O

2.9

Fibrous

[010] Perfect, [100] Distinct, [011] Distinct

Amethyst, Clear Quartz, Smoky Quartz, Cacoxenite, Rutile, Geothite, Lepidocrocite

Polyhalite and Super Seven Crystals Chemical Formula

While comparing Polyhalite and Super Seven Crystals 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 Super Seven Crystals chemical formula.

Compare Red Gemstones

Polyhalite Vs Erythrite

Polyhalite Vs Piemontite

Polyhalite Vs Carnallite

Polyhalite and Super Seven Crystals Specific Gravity

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