Clinohedrite and Dravite Physical Properties

Clinohedrite

Dravite

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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

3.28-3.3353.03-3.18

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

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

1.6 Cleavage

{010} Perfect

{???} Indistinct

1.7 Mohs Hardness

5.57-7.5

2 10

1.8 Chemical Composition

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

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

Clinohedrite and Dravite Chemical Formula

While comparing Clinohedrite 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 Clinohedrite and Dravite chemical formula.

Chemical formula of Clinohedrite- CaZnSiO 4 · H 2OAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Dravite- Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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Clinohedrite and Dravite Specific Gravity

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