Almandine and Alabaster Physical Properties

Almandine

Alabaster

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.30

2.30

1.5 Fracture

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

Not Available

1.6 Cleavage

none

Not Available

1.7 Mohs Hardness

7-7.5

1.8 Chemical Composition

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Almandine and Alabaster Chemical Formula

While comparing Almandine and Alabaster 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 Almandine and Alabaster chemical formula.

Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)

Compare Red Gemstones

Almandine Vs Black Opal

Almandine Vs Baryte Barite

Almandine Vs Aragonite

Almandine and Alabaster Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine and Alabaster Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Alabaster Optical Properties during the identification of gemstone. Specific gravity of Almandine is 2.30 whereas that of Alabaster is 2.30.