Legrandite and Moonstone Physical Properties

Legrandite

Moonstone

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

3.98-4.04

Conchoidal

Imperfect, poor one {100}

4.5-5

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

2.56-2.60

Uneven, ConchoidalWalter Schumann

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

6-6.5

Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Legrandite and Moonstone Chemical Formula

While comparing Legrandite and Moonstone 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 Legrandite and Moonstone chemical formula.

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Legrandite and Moonstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Legrandite and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Legrandite Vs Moonstone during the identification of gemstone. Specific gravity of Legrandite is whereas that of Moonstone is .