Verdite and Sellaite Physical Properties

Verdite

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

2.80-3.03.14-3.16

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{110} Good

Perfect on {010} and {110}

1.7 Mohs Hardness

35-5.5

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

MgF 2Ulrich Henn and Claudio C.

Verdite and Sellaite Chemical Formula

While comparing Verdite 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 Verdite and Sellaite chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.

Compare Blue Gemstones

Verdite Vs Yttrium Aluminium Garnet

Verdite Vs White Opal

Verdite Vs Zircon

Verdite and Sellaite Specific Gravity

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