Erythrite and Sylvite Physical Properties

Erythrite

Sylvite

Add ⊕

1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.061.993

1 7.18

1.5 Fracture

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

Uneven, Brittle

1.6 Cleavage

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

Perfect on [100], [010], [001]

1.7 Mohs Hardness

Not Available2.5

2 10

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

Not Available

Erythrite and Sylvite Chemical Formula

While comparing Erythrite and Sylvite 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 Erythrite and Sylvite chemical formula.

Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

Compare Red Gemstones

Erythrite Vs Richterite

Erythrite Vs Polyhalite

Erythrite Vs Stolzite

Erythrite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 1.993 whereas that of Sylvite is 1.993.