Elbaite and Milk Opal Physical Properties

Elbaite

Milk Opal

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.101.98-2.50

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

Poor/indistinct on {1120} and {1011}

Not Available

1.7 Mohs Hardness

75.5-6.5

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

Not Available

Elbaite and Milk Opal Chemical Formula

While comparing Elbaite and Milk Opal 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 Milk Opal 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

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Elbaite and Milk Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Milk Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Milk Opal Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 1.98-2.50 whereas that of Milk Opal is 1.98-2.50.