Dravite and Hiddenite Physical Properties

Dravite

Hiddenite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.03-3.183.15-3.21

1 7.18

1.5 Fracture

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

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{???} Indistinct

1,2 prismatic

1.7 Mohs Hardness

7-7.56-7

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)

LiAlSi₂O₆

Dravite and Hiddenite Chemical Formula

While comparing Dravite and Hiddenite 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 Hiddenite 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 Hiddenite- LiAlSi₂O₆

Compare Blue Gemstones

Dravite Vs Gadolinium Gallium Garnet

Dravite Vs Gahnite

Dravite Vs Fluorite

Dravite and Hiddenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dravite and Hiddenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dravite and Hiddenite Optical Properties during the identification of gemstone. Specific gravity of Dravite is 3.15-3.21 whereas that of Hiddenite is 3.15-3.21.