Adamite and Andradite Garnet Physical Properties

Adamite

Andradite Garnet

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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

3.8-3.9

1.5 Fracture

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

Not Available

1.6 Cleavage

{101}, good; {010}, poor

None

1.7 Mohs Hardness

3.5

6.5-7.5

1.8 Chemical Composition

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

Ca₃Fe³⁺₂Si₃O₁₂

Adamite and Andradite Garnet Chemical Formula

While comparing Adamite and Andradite Garnet 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 Andradite Garnet chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Adamite and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Adamite is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.