Chrome-Chalcedony and Eosphorite Physical Properties

Chrome-Chalcedony

Eosphorite

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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

2.55-2.703.05-3.08

1 7.18

1.5 Fracture

Not Available

Subconchoidal, Uneven, Conchoidal, Uneven

1.6 Cleavage

Not Available

Poor on {100}

1.7 Mohs Hardness

6.5-75

2 10

1.8 Chemical Composition

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

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Chrome-Chalcedony and Eosphorite Chemical Formula

While comparing Chrome-Chalcedony and Eosphorite 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 Eosphorite chemical formula.

Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Chrome-Chalcedony and Eosphorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Eosphorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Eosphorite Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 3.05-3.08 whereas that of Eosphorite is 3.05-3.08.