Alabaster and Celestine Physical Properties

Alabaster

Celestine

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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

2.303.90-4.00

1 7.18

1.5 Fracture

Not Available

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Not Available

Perfect on {001}, good on {210}, poor on {010}

1.7 Mohs Hardness

23-3.5

2 10

1.8 Chemical Composition

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

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Alabaster and Celestine Chemical Formula

While comparing Alabaster and Celestine 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 Celestine chemical formula.

Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

Alabaster Vs Anhydrite

Alabaster Vs Anthophyllite

Alabaster Vs Astrophyllite

Alabaster and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alabaster and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alabaster and Celestine Optical Properties during the identification of gemstone. Specific gravity of Alabaster is 3.90-4.00 whereas that of Celestine is 3.90-4.00.