Rose Quartz and Polyhalite Physical Properties

Rose Quartz

Polyhalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.652.78

1 7.18

1.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

Conchoidal, Brittle

1.6 Cleavage

Indiscernible

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

1.7 Mohs Hardness

73.5

2 10

1.8 Chemical Composition

SiO₂

Not Available

Rose Quartz and Polyhalite Chemical Formula

While comparing Rose Quartz and Polyhalite 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 Rose Quartz and Polyhalite chemical formula.

Chemical formula of Rose Quartz- SiO₂

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Rose Quartz and Polyhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rose Quartz and Polyhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rose Quartz and Polyhalite Optical Properties during the identification of gemstone. Specific gravity of Rose Quartz is 2.78 whereas that of Polyhalite is 2.78.