Anthophyllite and Erythrite Physical Properties

Anthophyllite

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

2.9-3.5

3.06

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

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

1.6 Cleavage

{110} Perfect, {???} Distinct, {???} Distinct

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

1.7 Mohs Hardness

5.5-6

Not Available

1.8 Chemical Composition

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Co3(AsO4)2•8(H2O)

Anthophyllite and Erythrite Chemical Formula

While comparing Anthophyllite 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 Anthophyllite and Erythrite chemical formula.

Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Anthophyllite and Erythrite Specific Gravity

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