Chrome Pyrope and Vivianite Physical Properties

Chrome Pyrope

Vivianite

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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

3.62-3.802.64-2.70

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

(e.g. graphite).

1.6 Cleavage

Not Available

{010} Perfect

1.7 Mohs Hardness

7-7.5Not Available

2 10

1.8 Chemical Composition

Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Chrome Pyrope and Vivianite Chemical Formula

While comparing Chrome Pyrope and Vivianite 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 Pyrope and Vivianite chemical formula.

Chemical formula of Chrome Pyrope- Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

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Chrome Pyrope and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome Pyrope and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Pyrope and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Chrome Pyrope is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.