Bloodstone Heliotrope and Erythrite Physical Properties

Bloodstone Heliotrope

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

2.55-2.703.06

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

6.5-7Not Available

2 10

1.8 Chemical Composition

SiO 2Arthur Thomas , Gemstones (2009)

Co3(AsO4)2•8(H2O)

Bloodstone Heliotrope and Erythrite Chemical Formula

While comparing Bloodstone Heliotrope 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 Bloodstone Heliotrope and Erythrite chemical formula.

Chemical formula of Bloodstone Heliotrope- SiO 2Arthur Thomas , Gemstones (2009)
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Bloodstone Heliotrope and Erythrite Specific Gravity

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