Sard and Holmquistite Physical Properties

Sard

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

2.58-2.632.95-3.13

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

Not Available

{210} Perfect

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Sard and Holmquistite Chemical Formula

While comparing Sard 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 Sard and Holmquistite chemical formula.

Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Holmquistite- Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

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Sard and Holmquistite Specific Gravity

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