Hardystonite and Fluorapatite Physical Properties

Hardystonite

Fluorapatite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.396-3.4433.1-3.25

1 7.18

1.5 Fracture

Brittle, Metallic

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

[001] good, [100] and [110] fair

Indistinct

1.7 Mohs Hardness

3-45

2 10

1.8 Chemical Composition

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

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

Hardystonite and Fluorapatite Chemical Formula

While comparing Hardystonite and Fluorapatite 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 Hardystonite and Fluorapatite chemical formula.

Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Compare White Gemstones

Hardystonite Vs Jadeite

Hardystonite Vs Leucite

Hardystonite Vs Larimar

Hardystonite and Fluorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hardystonite and Fluorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hardystonite and Fluorapatite Optical Properties during the identification of gemstone. Specific gravity of Hardystonite is 3.1-3.25 whereas that of Fluorapatite is 3.1-3.25.