Chrome-Chalcedony and Legrandite Physical Properties

Chrome-Chalcedony

Legrandite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.55-2.70

None

6.5-7

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Brittle

3.98-4.04

Conchoidal

Imperfect, poor one {100}

4.5-5

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

Chrome-Chalcedony and Legrandite Chemical Formula

While comparing Chrome-Chalcedony 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 Chrome-Chalcedony and Legrandite chemical formula.

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Chrome-Chalcedony and Legrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony Vs Legrandite during the identification of gemstone. Specific gravity of Chrome-Chalcedony is whereas that of Legrandite is .