Hurlbutite and Pyrope Physical Properties

Hurlbutite

Pyrope

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

insoluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

2.903.62-3.87

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

None

1.7 Mohs Hardness

67-7.5

2 10

1.8 Chemical Composition

CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Hurlbutite and Pyrope Chemical Formula

While comparing Hurlbutite and Pyrope 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 Hurlbutite and Pyrope chemical formula.

Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Pyrope- Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Hurlbutite and Pyrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hurlbutite and Pyrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hurlbutite and Pyrope Optical Properties during the identification of gemstone. Specific gravity of Hurlbutite is 3.62-3.87 whereas that of Pyrope is 3.62-3.87.