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Lawsonite
Lawsonite

Legrandite
Legrandite



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Lawsonite
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Legrandite

Lawsonite and Legrandite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.093.98-4.04
Amber
1 7.18
1.5 Fracture
White, Yellow, Pale blue, Brittle, Uneven
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
Perfect on {100} and {010}, imperfect on {101}
Imperfect, poor one {100}
1.7 Mohs Hardness
84.5-5
Amber
2 10
1.8 Chemical Composition
Not Available
Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Lawsonite and Legrandite Chemical Formula

While comparing Lawsonite 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 Lawsonite and Legrandite chemical formula.

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  • Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Lawsonite and Legrandite Specific Gravity

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