Alabaster and Pearl Physical Properties

Alabaster

Pearl

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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

2.302.60-2.85

1 7.18

1.5 Fracture

Not Available

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Not Available

none

1.7 Mohs Hardness

22.5-4.5

2 10

1.8 Chemical Composition

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

Not Available

Alabaster and Pearl Chemical Formula

While comparing Alabaster and Pearl 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 Alabaster and Pearl chemical formula.

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

Compare Brown Gemstones

Alabaster Vs Anthophyllite

Alabaster Vs Anhydrite

Alabaster Vs Astrophyllite

Alabaster and Pearl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alabaster and Pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alabaster and Pearl Optical Properties during the identification of gemstone. Specific gravity of Alabaster is 2.60-2.85 whereas that of Pearl is 2.60-2.85.