Achroite and Uvarovite Garnet Physical Properties

Achroite

Uvarovite Garnet

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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

2.90-3.403.7-3.8

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

7-7.56.5-7

2 10

1.8 Chemical Composition

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.

Ca₃Cr₂Si₃O₁₂

Achroite and Uvarovite Garnet Chemical Formula

While comparing Achroite and Uvarovite Garnet 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 Achroite and Uvarovite Garnet chemical formula.

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.
Chemical formula of Uvarovite Garnet- Ca₃Cr₂Si₃O₁₂

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Achroite and Uvarovite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Achroite and Uvarovite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Achroite and Uvarovite Garnet Optical Properties during the identification of gemstone. Specific gravity of Achroite is 3.7-3.8 whereas that of Uvarovite Garnet is 3.7-3.8.