Amazonite and Legrandite Physical Properties

Amazonite

Legrandite

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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

2.55-2.573.98-4.04

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

Imperfect, poor one {100}

1.7 Mohs Hardness

6-6.54.5-5

2 10

1.8 Chemical Composition

KAlSi₃O₈

Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Amazonite and Legrandite Chemical Formula

While comparing Amazonite and Legrandite 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 Legrandite chemical formula.

Chemical formula of Amazonite- KAlSi₃O₈
Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Amazonite and Legrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amazonite and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amazonite and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Amazonite is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.