Apatite and Hemimorphite Physical Properties

Apatite

Hemimorphite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.16-3.233.30-3.50

1 7.18

1.5 Fracture

Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven

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

1.6 Cleavage

[0001] indistinct, [1010] indistinct

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

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

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

Apatite and Hemimorphite Chemical Formula

While comparing Apatite and Hemimorphite 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 Apatite and Hemimorphite chemical formula.

Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Gems for Gemini » More

Apatite Vs Jade

Apatite Vs Pearl

Apatite Vs Lazulite

» More

More Compare Gems for Gemini

Apatite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.