Sard and Aragonite Physical Properties

Sard

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

2.58-2.632.93-2.96

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

6.5-73.5-4

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Sard and Aragonite Chemical Formula

While comparing Sard 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 Sard and Aragonite chemical formula.

Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Sard Vs Sillimanite

Sard Vs Spinel

Sard Vs Sodalite

Sard and Aragonite Specific Gravity

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