Papagoite and Grandidierite Physical Properties

Papagoite

Grandidierite

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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

3.252.85-3.00

1 7.18

1.5 Fracture

Brittle, Metallic

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

Imperfect in one direction

Perfect

1.7 Mohs Hardness

5-5.57.5

2 10

1.8 Chemical Composition

CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Papagoite and Grandidierite Chemical Formula

While comparing Papagoite and Grandidierite 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 Papagoite and Grandidierite chemical formula.

Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

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Papagoite and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Papagoite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Papagoite and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Papagoite is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.