Galena and Bloodstone Heliotrope Physical Properties

Galena

Bloodstone Heliotrope

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.232.55-2.70

1 7.18

2.5 Fracture

Subconchoidal, Brittle, Metallic

Not Available

2.6 Cleavage

Cubic perfect on [001], parting on [111]

Not Available

2.7 Mohs Hardness

2.5-2.756.5-7

2 10

2.8 Chemical Composition

PbS

SiO 2Arthur Thomas , Gemstones (2009)

Galena and Bloodstone Heliotrope Chemical Formula

While comparing Galena 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 Galena and Bloodstone Heliotrope chemical formula.

Chemical formula of Galena- PbS
Chemical formula of Bloodstone Heliotrope- SiO 2Arthur Thomas , Gemstones (2009)

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Galena Vs Larvikite

Galena and Bloodstone Heliotrope Specific Gravity

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