Barite and Legrandite Physical Properties

Barite

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

4.483.98-4.04

1 7.18

1.5 Fracture

Uneven

Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{010} Perfect, {210} Perfect, {010} Imperfect

Imperfect, poor one {100}

1.7 Mohs Hardness

3-3.54.5-5

2 10

1.8 Chemical Composition

BaSO4

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

Barite and Legrandite Chemical Formula

While comparing Barite 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 Barite and Legrandite chemical formula.

Chemical formula of Barite- BaSO4
Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Barite and Legrandite Specific Gravity

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