Chrome-Chalcedony and Andalusite Physical Properties

Chrome-Chalcedony

Andalusite

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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

2.55-2.703.05-3.21

1 7.18

1.5 Fracture

Not Available

Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

Good on {110}, poor on {100}

1.7 Mohs Hardness

6.5-77.5

2 10

1.8 Chemical Composition

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

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Chrome-Chalcedony and Andalusite Chemical Formula

While comparing Chrome-Chalcedony and Andalusite 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 Andalusite chemical formula.

Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Chrome-Chalcedony and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.