Uvite and Erythrite Physical Properties

Uvite

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

2.97-3.143.06

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

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

1.6 Cleavage

{1011} Indistinct

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

1.7 Mohs Hardness

Not AvailableNot Available

2 10

1.8 Chemical Composition

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Co3(AsO4)2•8(H2O)

Uvite and Erythrite Chemical Formula

While comparing Uvite 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 Uvite and Erythrite chemical formula.

Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

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Uvite and Erythrite Specific Gravity

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