Almandine and Chlorapatite Physical Properties

Almandine

Chlorapatite

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

3.17-3.18

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

Not Available

1.8 Chemical Composition

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

Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)

Almandine and Chlorapatite Chemical Formula

While comparing Almandine and Chlorapatite 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 Chlorapatite chemical formula.

Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Chlorapatite- Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)

Compare Red Gemstones

Almandine Vs Black Opal

Almandine Vs Aragonite

Almandine Vs Baryte Barite

Almandine and Chlorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine and Chlorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Chlorapatite Optical Properties during the identification of gemstone. Specific gravity of Almandine is 3.17-3.18 whereas that of Chlorapatite is 3.17-3.18.