Chrome Pyrope and Achroite Physical Properties

Chrome Pyrope

Achroite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.62-3.802.90-3.40

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Not Available

1.7 Mohs Hardness

7-7.57-7.5

2 10

1.8 Chemical Composition

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

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Chrome Pyrope and Achroite Chemical Formula

While comparing Chrome Pyrope and Achroite 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 Achroite chemical formula.

Chemical formula of Chrome Pyrope- Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)
Chemical formula of Achroite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Compare Gems Found In Africa

Chrome Pyrope Vs Chrysotile

Chrome Pyrope Vs Clinochlore

Chrome Pyrope Vs Citrine

Chrome Pyrope and Achroite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome Pyrope and Achroite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Pyrope and Achroite Optical Properties during the identification of gemstone. Specific gravity of Chrome Pyrope is 2.90-3.40 whereas that of Achroite is 2.90-3.40.