Holmquistite and Chrome-Chalcedony Physical Properties

Holmquistite

Chrome-Chalcedony

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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

2.95-3.132.55-2.70

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

{210} Perfect

Not Available

1.7 Mohs Hardness

5-66.5-7

2 10

1.8 Chemical Composition

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

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Holmquistite and Chrome-Chalcedony Chemical Formula

While comparing Holmquistite and Chrome-Chalcedony 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 Holmquistite and Chrome-Chalcedony chemical formula.

Chemical formula of Holmquistite- Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Holmquistite and Chrome-Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Holmquistite and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Holmquistite and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Holmquistite is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.