Amazonite and Montebrasite Physical Properties

Amazonite

Montebrasite

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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

2.55-2.572.98-3.10

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

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

1.6 Cleavage

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

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

1.7 Mohs Hardness

6-6.55.5-6

2 10

1.8 Chemical Composition

KAlSi₃O₈

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

Amazonite and Montebrasite Chemical Formula

While comparing Amazonite and Montebrasite 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 Amazonite and Montebrasite chemical formula.

Chemical formula of Amazonite- KAlSi₃O₈
Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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Amazonite and Montebrasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amazonite and Montebrasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amazonite and Montebrasite Optical Properties during the identification of gemstone. Specific gravity of Amazonite is 2.98-3.10 whereas that of Montebrasite is 2.98-3.10.