Zircon and Alabaster Physical Properties

Zircon

Alabaster

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.93-4.732.30

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

{110} and {111}

Not Available

1.7 Mohs Hardness

7.52

2 10

1.8 Chemical Composition

ZrSiO₄

CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)

Zircon and Alabaster Chemical Formula

While comparing Zircon and Alabaster 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 Zircon and Alabaster chemical formula.

Chemical formula of Zircon- ZrSiO₄
Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)

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Zircon and Alabaster Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zircon and Alabaster Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zircon and Alabaster Optical Properties during the identification of gemstone. Specific gravity of Zircon is 2.30 whereas that of Alabaster is 2.30.