Legrandite and Antigorite Physical Properties

Legrandite

Antigorite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.98-4.042.58-2.80

1 7.18

1.5 Fracture

Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle

Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)

1.6 Cleavage

Imperfect, poor one {100}

{001} Good

1.7 Mohs Hardness

4.5-55-5.5

2 10

1.8 Chemical Composition

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

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Legrandite and Antigorite Chemical Formula

While comparing Legrandite and Antigorite 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 Antigorite chemical formula.

Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Antigorite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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Legrandite and Antigorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Legrandite and Antigorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Legrandite and Antigorite Optical Properties during the identification of gemstone. Specific gravity of Legrandite is 2.58-2.80 whereas that of Antigorite is 2.58-2.80.