Alabaster and Apatite Physical Properties

Alabaster

Apatite

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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

2.303.16-3.23

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven

1.6 Cleavage

Not Available

[0001] indistinct, [1010] indistinct

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

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

Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

Alabaster and Apatite Chemical Formula

While comparing Alabaster and Apatite 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 Apatite chemical formula.

Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

Compare Brown Gemstones

Alabaster Vs Astrophyllite

Alabaster Vs Anthophyllite

Alabaster Vs Anhydrite

Alabaster and Apatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alabaster and Apatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alabaster and Apatite Optical Properties during the identification of gemstone. Specific gravity of Alabaster is 3.16-3.23 whereas that of Apatite is 3.16-3.23.