Legrandite and Phosphophyllite Physical Properties

Legrandite

Phosphophyllite

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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

3.07-3.13

Conchoidal, Uneven

{100} Perfect, {010} Distinct, {102} Distinct

3-3.5

Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Legrandite and Phosphophyllite Chemical Formula

While comparing Legrandite and Phosphophyllite 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 Phosphophyllite chemical formula.

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Legrandite and Phosphophyllite Specific Gravity

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