Alabaster and Ajoite Physical Properties

Alabaster

Ajoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.30

2.96

1.5 Fracture

Not Available

1.6 Cleavage

Not Available

Perfect on {010}

1.7 Mohs Hardness

1.8 Chemical Composition

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

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Alabaster and Ajoite Chemical Formula

While comparing Alabaster and Ajoite 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 Ajoite chemical formula.

Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Compare Brown Gemstones

Alabaster Vs Astrophyllite

Alabaster Vs Anhydrite

Alabaster Vs Anthophyllite

Alabaster and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alabaster and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alabaster and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Alabaster is 2.96 whereas that of Ajoite is 2.96.