Almandine and Hexagonite Physical Properties

Almandine

Hexagonite

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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

3.95-4.30

2.98-3.03

1.5 Fracture

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

Uneven

1.6 Cleavage

none

[110] perfect; [010] distinct

1.7 Mohs Hardness

7-7.5

5-6

1.8 Chemical Composition

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

Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Almandine and Hexagonite Chemical Formula

While comparing Almandine and Hexagonite 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 Hexagonite chemical formula.

Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Hexagonite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Compare Red Gemstones

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Almandine Vs Black Opal

Almandine Vs Aragonite

Almandine and Hexagonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine and Hexagonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Hexagonite Optical Properties during the identification of gemstone. Specific gravity of Almandine is 2.98-3.03 whereas that of Hexagonite is 2.98-3.03.