Gahnite and Bloodstone Heliotrope Physical Properties

Gahnite

Bloodstone Heliotrope

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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

4.00-4.622.55-2.70

1 7.18

1.5 Fracture

Conchoidal, Uneven

Not Available

1.6 Cleavage

Indistinct parting on [111]

Not Available

1.7 Mohs Hardness

7.5-86.5-7

2 10

1.8 Chemical Composition

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

SiO 2Arthur Thomas , Gemstones (2009)

Gahnite and Bloodstone Heliotrope Chemical Formula

While comparing Gahnite and Bloodstone Heliotrope 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 Gahnite and Bloodstone Heliotrope chemical formula.

Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Bloodstone Heliotrope- SiO 2Arthur Thomas , Gemstones (2009)

Compare Blue Gemstones

Gahnite Vs Indicolite Blue Tourmaline

Gahnite Vs Howlite

Gahnite Vs Hydrogrossular

Gahnite and Bloodstone Heliotrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Bloodstone Heliotrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Bloodstone Heliotrope Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 2.55-2.70 whereas that of Bloodstone Heliotrope is 2.55-2.70.