Chrome Pyrope and Rock Crystal Physical Properties

Chrome Pyrope

Rock Crystal

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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

3.62-3.802.65

1 7.18

1.5 Fracture

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

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Not Available

1.7 Mohs Hardness

7-7.57

2 10

1.8 Chemical Composition

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

SiO 2Walter Schumann , Gemstones of the world (2001)

Chrome Pyrope and Rock Crystal Chemical Formula

While comparing Chrome Pyrope and Rock Crystal 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 Rock Crystal chemical formula.

Chemical formula of Chrome Pyrope- Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)
Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)

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Chrome Pyrope and Rock Crystal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome Pyrope and Rock Crystal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Pyrope and Rock Crystal Optical Properties during the identification of gemstone. Specific gravity of Chrome Pyrope is 2.65 whereas that of Rock Crystal is 2.65.