Apatite and Clinohedrite Physical Properties

Apatite

Clinohedrite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.16-3.233.28-3.335

1 7.18

1.5 Fracture

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

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

[0001] indistinct, [1010] indistinct

{010} Perfect

1.7 Mohs Hardness

55.5

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

CaZnSiO 4 · H 2OAnthony et al , Handbook of mineralogy (2001)

Apatite and Clinohedrite Chemical Formula

While comparing Apatite and Clinohedrite 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 Clinohedrite 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 Clinohedrite- CaZnSiO 4 · H 2OAnthony et al , Handbook of mineralogy (2001)

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Apatite and Clinohedrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Clinohedrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Clinohedrite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.28-3.335 whereas that of Clinohedrite is 3.28-3.335.