Aragonite and Erythrite Physical Properties

Aragonite

Erythrite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Dilute acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.93-2.963.06

1 7.18

1.5 Fracture

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

Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).

1.6 Cleavage

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

Perfect on {010}; poor on {100} and { 1 02}.

1.7 Mohs Hardness

3.5-4Not Available

2 10

1.8 Chemical Composition

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

Co3(AsO4)2•8(H2O)

Aragonite and Erythrite Chemical Formula

While comparing Aragonite and Erythrite 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 Aragonite and Erythrite chemical formula.

Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

Compare Gems for Virgo

Aragonite Vs Variscite

Aragonite Vs Zircon

Aragonite Vs Peridot

Aragonite and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Aragonite and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aragonite and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Aragonite is 3.06 whereas that of Erythrite is 3.06.