Alabaster and Aegirine Physical Properties

Alabaster

Aegirine

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.303.50-3.60

1 7.18

1.5 Fracture

Not Available

Uneven, Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Not Available

Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

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

(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.

Alabaster and Aegirine Chemical Formula

While comparing Alabaster and Aegirine 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 Aegirine chemical formula.

Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Aegirine- (Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.

Compare Brown Gemstones

Alabaster Vs Astrophyllite

Alabaster Vs Anhydrite

Alabaster Vs Anthophyllite

Alabaster and Aegirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alabaster and Aegirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alabaster and Aegirine Optical Properties during the identification of gemstone. Specific gravity of Alabaster is 3.50-3.60 whereas that of Aegirine is 3.50-3.60.