Wardite and Erythrite Physical Properties

Wardite

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

2.813.06

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

{001} Perfect

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

1.7 Mohs Hardness

4.5-5Not Available

2 10

1.8 Chemical Composition

NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Co3(AsO4)2•8(H2O)

Wardite and Erythrite Chemical Formula

While comparing Wardite 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 Wardite and Erythrite chemical formula.

Chemical formula of Wardite- NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Wardite and Erythrite Specific Gravity

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