Dravite and Johachidolite Physical Properties

Dravite

Johachidolite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.03-3.183.45

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{???} Indistinct

None

1.7 Mohs Hardness

7-7.57.5

2 10

1.8 Chemical Composition

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

CaAlB 3O 7Michael OâDonoghue , Gems, Sixth Edition (2006)

Dravite and Johachidolite Chemical Formula

While comparing Dravite and Johachidolite 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 Dravite and Johachidolite chemical formula.

Chemical formula of Dravite- Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Johachidolite- CaAlB 3O 7Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Dravite Vs Gadolinium Gallium Garnet

Dravite Vs Fluorite

Dravite Vs Gahnite

Dravite and Johachidolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dravite and Johachidolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dravite and Johachidolite Optical Properties during the identification of gemstone. Specific gravity of Dravite is 3.45 whereas that of Johachidolite is 3.45.