Holmquistite and Chalcedony Physical Properties

Holmquistite

Chalcedony

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.95-3.132.55-2.70

1 7.18

1.5 Fracture

Not Available

Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann

1.6 Cleavage

{210} Perfect

Absent

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)

SiO₂

Holmquistite and Chalcedony Chemical Formula

While comparing Holmquistite and 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 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 Chalcedony- SiO₂

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Holmquistite and Chalcedony Specific Gravity

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