Holmquistite and Aragonite Physical Properties

Holmquistite

Aragonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

2.95-3.132.93-2.96

1 7.18

1.5 Fracture

Not Available

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

{210} Perfect

Distinct on {010}, imperfect {110} and {011}

1.7 Mohs Hardness

5-63.5-4

2 10

1.8 Chemical Composition

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

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Holmquistite and Aragonite Chemical Formula

While comparing Holmquistite and Aragonite 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 Aragonite 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 Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Holmquistite and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Holmquistite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Holmquistite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Holmquistite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.