Alabaster and Albite Physical Properties

Alabaster

Albite

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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

2.302.60-2.65

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal

1.6 Cleavage

Not Available

Perfect on {001}, very good on {010}, imperfect on {110}

1.7 Mohs Hardness

26-6.5

2 10

1.8 Chemical Composition

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

NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Alabaster and Albite Chemical Formula

While comparing Alabaster and Albite 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 Albite chemical formula.

Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Brown Gemstones

Alabaster Vs Anthophyllite

Alabaster Vs Astrophyllite

Alabaster Vs Anhydrite

Alabaster and Albite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alabaster and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alabaster and Albite Optical Properties during the identification of gemstone. Specific gravity of Alabaster is 2.60-2.65 whereas that of Albite is 2.60-2.65.