Chrome-Chalcedony and Mottramite Physical Properties

Chrome-Chalcedony

Mottramite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.705.9

1 7.18

1.5 Fracture

Not Available

Sub-Conchoidal, Brittle, Metallic

1.6 Cleavage

Not Available

None observed

1.7 Mohs Hardness

6.5-73

2 10

1.8 Chemical Composition

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

Not Available

Chrome-Chalcedony and Mottramite Chemical Formula

While comparing Chrome-Chalcedony and Mottramite 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 Mottramite chemical formula.

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

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Chrome-Chalcedony and Mottramite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Mottramite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Mottramite Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 5.9 whereas that of Mottramite is 5.9.