Adamite and Milk Opal Physical Properties

Adamite

Milk Opal

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.48

1.98-2.50

1.5 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

Conchoidal

1.6 Cleavage

{101}, good; {010}, poor

Not Available

1.7 Mohs Hardness

3.5

5.5-6.5

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Not Available

Adamite and Milk Opal Chemical Formula

While comparing Adamite 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 Adamite and Milk Opal chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

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Adamite and Milk Opal Specific Gravity

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