Montebrasite and Albite Physical Properties

Montebrasite

Albite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.98-3.102.60-2.65

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal

1.6 Cleavage

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

Perfect on {001}, very good on {010}, imperfect on {110}

1.7 Mohs Hardness

5.5-66-6.5

2 10

1.8 Chemical Composition

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

NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Montebrasite and Albite Chemical Formula

While comparing Montebrasite and Albite 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 Albite 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 Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Montebrasite and Albite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Montebrasite and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Montebrasite and Albite Optical Properties during the identification of gemstone. Specific gravity of Montebrasite is 2.60-2.65 whereas that of Albite is 2.60-2.65.