Chrome-Chalcedony and Tanzanite Physical Properties

Chrome-Chalcedony

Tanzanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

2.55-2.703.35

1 7.18

1.5 Fracture

Not Available

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Not Available

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

6.5-76.5-7

2 10

1.8 Chemical Composition

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

Ca₂Al₃(SiO₄)₃(OH)

Chrome-Chalcedony and Tanzanite Chemical Formula

While comparing Chrome-Chalcedony and Tanzanite 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 Tanzanite chemical formula.

Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)

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Chrome-Chalcedony and Tanzanite Specific Gravity

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