Sardonyx and Holmquistite Physical Properties

Sardonyx

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

2.55-2.702.95-3.13

1 7.18

1.5 Fracture

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)

Sardonyx and Holmquistite Chemical Formula

While comparing Sardonyx 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 Sardonyx and Holmquistite chemical formula.

Chemical formula of Sardonyx- 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)

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Sardonyx and Holmquistite Specific Gravity

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