Pumpellyite and Chrome-Chalcedony Physical Properties

Pumpellyite

Chrome-Chalcedony

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.20-3.30

Perfect

5-6

Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.

2.55-2.70

None

6.5-7

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

Pumpellyite and Chrome-Chalcedony Chemical Formula

While comparing Pumpellyite and Chrome-Chalcedony 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 Pumpellyite and Chrome-Chalcedony chemical formula.

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Pumpellyite and Chrome-Chalcedony Specific Gravity

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