Mottramite and Chrome-Chalcedony Physical Properties

Mottramite

Chrome-Chalcedony

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.92.55-2.70

1 7.18

1.5 Fracture

Sub-Conchoidal, Brittle, Metallic

Not Available

1.6 Cleavage

None observed

Not Available

1.7 Mohs Hardness

36.5-7

2 10

1.8 Chemical Composition

Not Available

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

Mottramite and Chrome-Chalcedony Chemical Formula

While comparing Mottramite 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 Mottramite 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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Mottramite and Chrome-Chalcedony Specific Gravity

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