Chrome-Chalcedony and Fluorapatite Physical Properties

Chrome-Chalcedony

Fluorapatite

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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

2.55-2.703.1-3.25

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

Not Available

Indistinct

1.7 Mohs Hardness

6.5-75

2 10

1.8 Chemical Composition

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

Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Chrome-Chalcedony and Fluorapatite Chemical Formula

While comparing Chrome-Chalcedony and Fluorapatite 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 Fluorapatite chemical formula.

Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

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Chrome-Chalcedony and Fluorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Fluorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Fluorapatite Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 3.1-3.25 whereas that of Fluorapatite is 3.1-3.25.