Clinozoisite and Dravite Physical Properties

Clinozoisite

Dravite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.21-3.38

3.03-3.18

1.5 Fracture

Irregular/uneven, Uneven

Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

Perfect on {001}

{???} Indistinct

1.7 Mohs Hardness

6-7

7-7.5

1.8 Chemical Composition

Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Clinozoisite and Dravite Chemical Formula

While comparing Clinozoisite and Dravite 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 Clinozoisite and Dravite chemical formula.

Chemical formula of Clinozoisite- Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Dravite- Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Compare Green Gemstones

Clinozoisite Vs Ekanite

Clinozoisite Vs Dioptase

Clinozoisite Vs Dravite

Clinozoisite and Dravite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Clinozoisite and Dravite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Clinozoisite and Dravite Optical Properties during the identification of gemstone. Specific gravity of Clinozoisite is 3.03-3.18 whereas that of Dravite is 3.03-3.18.