Lawsonite and Chrome-Chalcedony Physical Properties

Lawsonite

Chrome-Chalcedony

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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

3.092.55-2.70

1 7.18

1.5 Fracture

White, Yellow, Pale blue, Brittle, Uneven

Not Available

1.6 Cleavage

Perfect on {100} and {010}, imperfect on {101}

Not Available

1.7 Mohs Hardness

86.5-7

2 10

1.8 Chemical Composition

Not Available

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

Lawsonite and Chrome-Chalcedony Chemical Formula

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

Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Lawsonite and Chrome-Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lawsonite and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lawsonite and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Lawsonite is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.