Elbaite and Calcite Physical Properties

Elbaite

Calcite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.102.67-2.73

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Poor/indistinct on {1120} and {1011}

Perfect on [10 1 1] three directions with angle of 74° 55

1.7 Mohs Hardness

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

CaCO 3Ulrich Henn and Claudio C.

Elbaite and Calcite Chemical Formula

While comparing Elbaite and Calcite 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 Calcite 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 Calcite- CaCO 3Ulrich Henn and Claudio C.

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Elbaite and Calcite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Calcite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Calcite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 2.67-2.73 whereas that of Calcite is 2.67-2.73.