Grossular and Hardystonite Physical Properties

Grossular

Hardystonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.3 Solubility

Not Available

1.4 Durability

Not Available

1.5 Specific Gravity

3.55-3.733.396-3.443

1 7.18

1.6 Fracture

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

Brittle, Metallic

1.7 Cleavage

none

[001] good, [100] and [110] fair

1.8 Mohs Hardness

7-7.53-4

2 10

1.12 Chemical Composition

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

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Grossular and Hardystonite Chemical Formula

While comparing Grossular and Hardystonite 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 Hardystonite chemical formula.

Chemical formula of Grossular- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

Grossular Vs Jade

Grossular Vs Hydrogrossular

Grossular Vs Hurlbutite

Grossular and Hardystonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grossular and Hardystonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grossular and Hardystonite Optical Properties during the identification of gemstone. Specific gravity of Grossular is 3.396-3.443 whereas that of Hardystonite is 3.396-3.443.