Chrome-Chalcedony and Hurlbutite Physical Properties

Chrome-Chalcedony

Hurlbutite

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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

2.55-2.702.90

1 7.18

1.5 Fracture

Not Available

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

6.5-76

2 10

1.8 Chemical Composition

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

CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Chrome-Chalcedony and Hurlbutite Chemical Formula

While comparing Chrome-Chalcedony and Hurlbutite 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 Hurlbutite chemical formula.

Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Chrome-Chalcedony and Hurlbutite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Hurlbutite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Hurlbutite Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 2.90 whereas that of Hurlbutite is 2.90.