Herderite and Aragonite Physical Properties

Herderite

Aragonite

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Physical Properties

Tenacity

Brittle

Solubility

Dilute acid

Durability

Specific Gravity

2.90-3.022.93-2.96

1 7.18

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Fracture

Subconchoidal, Conchoidal

Cleavage

Indistinct on {110}

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

Mohs Hardness

5-5.53.5-4

2 10

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Chemical Composition

CaBePO 4(F,OH)Ulrich Henn and Claudio C.

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

Herderite and Aragonite Chemical Formula

While comparing Herderite 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 Herderite and Aragonite chemical formula.

Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Colorless Gems

Herderite Vs Orthoclase

Herderite Vs Pectolite

Herderite Vs Phenakite

Herderite and Aragonite Specific Gravity

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