Almandine and Sanidine Physical Properties

Almandine

Sanidine

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.302.54-2.61

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

none

{001} Perfect, {010} Good

1.7 Mohs Hardness

7-7.56

2 10

1.8 Chemical Composition

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

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Almandine and Sanidine Chemical Formula

While comparing Almandine and Sanidine 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 Sanidine chemical formula.

Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Red Gemstones

Almandine Vs Baryte Barite

Almandine Vs Black Opal

Almandine Vs Aragonite

Almandine and Sanidine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine and Sanidine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Sanidine Optical Properties during the identification of gemstone. Specific gravity of Almandine is 2.54-2.61 whereas that of Sanidine is 2.54-2.61.