Padparadscha and Legrandite Physical Properties

Padparadscha

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

3.95-4.103.98-4.04

1 7.18

1.5 Fracture

Not Available

Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

Imperfect, poor one {100}

1.7 Mohs Hardness

94.5-5

2 10

1.8 Chemical Composition

Al 2O 3Ulrich Henn and Claudio C.

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

Padparadscha and Legrandite Chemical Formula

While comparing Padparadscha 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 Padparadscha and Legrandite chemical formula.

Chemical formula of Padparadscha- Al 2O 3Ulrich Henn and Claudio C.
Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Padparadscha and Legrandite Specific Gravity

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