Alabaster and Powellite Physical Properties

Alabaster

Powellite

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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

2.304.23

1 7.18

1.5 Fracture

Not Available

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Not Available

{111} Distinct

1.7 Mohs Hardness

23.5-4

2 10

1.8 Chemical Composition

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

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Alabaster and Powellite Chemical Formula

While comparing Alabaster and Powellite 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 Powellite chemical formula.

Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Brown Gemstones

Alabaster Vs Anhydrite

Alabaster Vs Astrophyllite

Alabaster Vs Anthophyllite

Alabaster and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alabaster and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alabaster and Powellite Optical Properties during the identification of gemstone. Specific gravity of Alabaster is 4.23 whereas that of Powellite is 4.23.