Chrome-Chalcedony and Tourmaline Physical Properties

Chrome-Chalcedony

Tourmaline

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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

2.55-2.702.85-3.35

1 7.18

1.5 Fracture

Not Available

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

Indistinct

1.7 Mohs Hardness

6.5-77-7.5

2 10

1.8 Chemical Composition

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

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Chrome-Chalcedony and Tourmaline Chemical Formula

While comparing Chrome-Chalcedony and Tourmaline 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 Tourmaline chemical formula.

Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

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Chrome-Chalcedony and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.