Andradite and Morganite Physical Properties

Andradite

Morganite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-4.102.71-2.90

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

none

3,1 basal

1.7 Mohs Hardness

6.5-77.5-8

2 10

1.8 Chemical Composition

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

Be₃Al₂SiO₆

Andradite and Morganite Chemical Formula

While comparing Andradite and Morganite 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 Andradite and Morganite chemical formula.

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

Compare Green Gemstones

Andradite Vs Astrophyllite

Andradite Vs Aragonite

Andradite Vs Augite

Andradite and Morganite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andradite and Morganite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite and Morganite Optical Properties during the identification of gemstone. Specific gravity of Andradite is 2.71-2.90 whereas that of Morganite is 2.71-2.90.