Hemimorphite and Fluorapatite Physical Properties

Hemimorphite

Fluorapatite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.503.1-3.25

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

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

1.6 Cleavage

Perfect on {110}, poor on {101}, {001} rare

Indistinct

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Hemimorphite and Fluorapatite Chemical Formula

While comparing Hemimorphite 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 Hemimorphite and Fluorapatite chemical formula.

Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

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Hemimorphite and Fluorapatite Specific Gravity

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