Elbaite and Erythrite Physical Properties

Elbaite

Erythrite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.103.06

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

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

1.6 Cleavage

Poor/indistinct on {1120} and {1011}

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

1.7 Mohs Hardness

7Not Available

2 10

1.8 Chemical Composition

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

Co3(AsO4)2•8(H2O)

Elbaite and Erythrite Chemical Formula

While comparing Elbaite 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 Elbaite and Erythrite chemical formula.

Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

Compare Blue Gemstones

Elbaite Vs Hackmanite

Elbaite Vs Gahnospinel

Elbaite Vs Gahnite

Elbaite and Erythrite Specific Gravity

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