Chrome-Chalcedony and Plumbogummite Physical Properties

Chrome-Chalcedony

Plumbogummite

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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

2.55-2.704.014

1 7.18

1.5 Fracture

Not Available

Uneven, Conchoidal

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

6.5-74-5

2 10

1.8 Chemical Composition

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

Not Available

Chrome-Chalcedony and Plumbogummite Chemical Formula

While comparing Chrome-Chalcedony and Plumbogummite 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 Plumbogummite 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 Plumbogummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Plumbogummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Plumbogummite Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 4.014 whereas that of Plumbogummite is 4.014.