Demantoid and Erythrite Physical Properties

Demantoid

Erythrite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.77-3.953.06

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

6.5Not Available

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Co3(AsO4)2•8(H2O)

Demantoid and Erythrite Chemical Formula

While comparing Demantoid 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 Demantoid and Erythrite chemical formula.

Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

Compare Green Gemstones

Demantoid Vs Emerald

Demantoid Vs Faustite

Demantoid Vs Euclase

Demantoid and Erythrite Specific Gravity

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