Chrome Pyrope and Caledonite Physical Properties

Chrome Pyrope

Caledonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.62-3.805.6-5.76

1 7.18

1.5 Fracture

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

Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

Not Available

[001] perfect; [100] distinct

1.7 Mohs Hardness

7-7.52.5-3

2 10

1.8 Chemical Composition

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

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Chrome Pyrope and Caledonite Chemical Formula

While comparing Chrome Pyrope and Caledonite 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 Caledonite chemical formula.

Chemical formula of Chrome Pyrope- Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

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Chrome Pyrope and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome Pyrope and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Pyrope and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Chrome Pyrope is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.