Adamite and Pyrope Physical Properties

Adamite

Pyrope

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

insoluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.48

3.62-3.87

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{101}, good; {010}, poor

None

1.7 Mohs Hardness

3.5

7-7.5

1.8 Chemical Composition

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

Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Adamite and Pyrope Chemical Formula

While comparing Adamite and Pyrope 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 Pyrope chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Pyrope- Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Adamite and Pyrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Pyrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Pyrope Optical Properties during the identification of gemstone. Specific gravity of Adamite is 3.62-3.87 whereas that of Pyrope is 3.62-3.87.