Montebrasite and Papagoite Physical Properties

Montebrasite

Papagoite

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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

2.98-3.103.25

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Brittle, Metallic

1.6 Cleavage

{100} Perfect, {110} Good, {011} Distinct

Imperfect in one direction

1.7 Mohs Hardness

5.5-65-5.5

2 10

1.8 Chemical Composition

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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

Montebrasite and Papagoite Chemical Formula

While comparing Montebrasite and Papagoite 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 Montebrasite and Papagoite chemical formula.

Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Montebrasite and Papagoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Montebrasite and Papagoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Montebrasite and Papagoite Optical Properties during the identification of gemstone. Specific gravity of Montebrasite is 3.25 whereas that of Papagoite is 3.25.