Verdite and Grandidierite Physical Properties

Verdite

Grandidierite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.80-3.02.85-3.00

1 7.18

1.5 Fracture

Not Available

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

{110} Good

Perfect

1.7 Mohs Hardness

37.5

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Verdite and Grandidierite Chemical Formula

While comparing Verdite and Grandidierite 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 Grandidierite chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Compare Blue Gemstones

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Verdite Vs White Opal

Verdite Vs Zircon

Verdite and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdite and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Verdite is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.