Crystal Quartz and Sellaite Physical Properties

Crystal Quartz

Sellaite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.14-3.16

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

1.6 Cleavage

Not Available

Perfect on {010} and {110}

1.7 Mohs Hardness

75-5.5

2 10

1.8 Chemical Composition

Not Available

MgF 2Ulrich Henn and Claudio C.

Crystal Quartz and Sellaite Chemical Formula

While comparing Crystal Quartz and Sellaite 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 Crystal Quartz and Sellaite chemical formula.

Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.

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Crystal Quartz and Sellaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crystal Quartz and Sellaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crystal Quartz and Sellaite Optical Properties during the identification of gemstone. Specific gravity of Crystal Quartz is 3.14-3.16 whereas that of Sellaite is 3.14-3.16.