Bastnsite and Chrome-Chalcedony Physical Properties

Bastnsite

Chrome-Chalcedony

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.78-5.202.55-2.70

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

Not Available

1.7 Mohs Hardness

4-4.56.5-7

2 10

1.8 Chemical Composition

Not Available

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

Bastnsite and Chrome-Chalcedony Chemical Formula

While comparing Bastnsite 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 Bastnsite 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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Bastnsite and Chrome-Chalcedony Specific Gravity

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