Grossular and Augite Physical Properties

Grossular

Augite

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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

3.55-3.733.19-3.56

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

none

{110} Perfect, {010} Indistinct

1.7 Mohs Hardness

7-7.55.5-6

2 10

1.8 Chemical Composition

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

(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

Grossular and Augite Chemical Formula

While comparing Grossular and Augite 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 Augite chemical formula.

Chemical formula of Grossular- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

Grossular Vs Hydrogrossular

Grossular Vs Hurlbutite

Grossular Vs Jade

Grossular and Augite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grossular and Augite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grossular and Augite Optical Properties during the identification of gemstone. Specific gravity of Grossular is 3.19-3.56 whereas that of Augite is 3.19-3.56.