Grossular and Orthoclase Physical Properties

Grossular

Orthoclase

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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

3.55-3.732.54-2.61

1 7.18

1.5 Fracture

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

Gems, Uneven

1.6 Cleavage

none

Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.

1.7 Mohs Hardness

7-7.56

2 10

1.8 Chemical Composition

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

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Grossular and Orthoclase Chemical Formula

While comparing Grossular and Orthoclase 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 Grossular and Orthoclase chemical formula.

Chemical formula of Grossular- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Orthoclase- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Grossular and Orthoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grossular and Orthoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grossular and Orthoclase Optical Properties during the identification of gemstone. Specific gravity of Grossular is 2.54-2.61 whereas that of Orthoclase is 2.54-2.61.