Morganite and Andradite Physical Properties

Morganite

Andradite

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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

2.71-2.90

3.70-4.10

1.5 Fracture

Not Available

Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

3,1 basal

none

1.7 Mohs Hardness

7.5-8

6.5-7

1.8 Chemical Composition

Be₃Al₂SiO₆

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Morganite and Andradite Chemical Formula

While comparing Morganite and Andradite 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 Morganite and Andradite chemical formula.

Chemical formula of Morganite- Be₃Al₂SiO₆
Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Morganite and Andradite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Morganite and Andradite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Morganite and Andradite Optical Properties during the identification of gemstone. Specific gravity of Morganite is 3.70-4.10 whereas that of Andradite is 3.70-4.10.