Chrome-Chalcedony and Poldervaartite Physical Properties

Chrome-Chalcedony

Poldervaartite

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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

2.55-2.702.91

1 7.18

1.5 Fracture

Not Available

Handbook of mineralogy (2001)

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

6.5-7Not Available

2 10

1.8 Chemical Composition

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

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Chrome-Chalcedony and Poldervaartite Chemical Formula

While comparing Chrome-Chalcedony and Poldervaartite 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 Poldervaartite chemical formula.

Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

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Chrome-Chalcedony and Poldervaartite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 2.91 whereas that of Poldervaartite is 2.91.