Verdite and Holmquistite Physical Properties

Verdite

Holmquistite

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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

2.80-3.02.95-3.13

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

{110} Good

{210} Perfect

1.7 Mohs Hardness

35-6

2 10

1.8 Chemical Composition

NaFeS2•2(H2O)

Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Verdite and Holmquistite Chemical Formula

While comparing Verdite and Holmquistite 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 Holmquistite chemical formula.

Chemical formula of Verdite- NaFeS2•2(H2O)
Chemical formula of Holmquistite- Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Verdite and Holmquistite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdite and Holmquistite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdite and Holmquistite Optical Properties during the identification of gemstone. Specific gravity of Verdite is 2.95-3.13 whereas that of Holmquistite is 2.95-3.13.