Adamite and Glaucophane Physical Properties

Adamite

Glaucophane

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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

3-3.15

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

{101}, good; {010}, poor

Good on [110] and on [001]

1.7 Mohs Hardness

3.5

6.0-6.5

1.8 Chemical Composition

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

[ ]Na2(Mg3Al2)Si8O22(OH)2

Adamite and Glaucophane Chemical Formula

While comparing Adamite and Glaucophane 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 Glaucophane chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

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Adamite and Glaucophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Glaucophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Glaucophane Optical Properties during the identification of gemstone. Specific gravity of Adamite is 3-3.15 whereas that of Glaucophane is 3-3.15.