Legrandite and Friedelite Physical Properties

Legrandite

Friedelite

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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

3.98-4.043.06-3.19

1 7.18

1.5 Fracture

Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

1.6 Cleavage

Imperfect, poor one {100}

{010} Perfect

1.7 Mohs Hardness

4.5-54-5

2 10

1.8 Chemical Composition

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

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Legrandite and Friedelite Chemical Formula

While comparing Legrandite and Friedelite 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 Friedelite 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 Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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Legrandite and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Legrandite and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Legrandite and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Legrandite is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.