Bloodstone Heliotrope and Galena Physical Properties

Bloodstone Heliotrope

Galena

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.706.23

1 7.18

1.5 Fracture

Not Available

Subconchoidal, Brittle, Metallic

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

6.5-72.5-2.75

2 10

1.8 Chemical Composition

SiO 2Arthur Thomas , Gemstones (2009)

PbS

Bloodstone Heliotrope and Galena Chemical Formula

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

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

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Bloodstone Heliotrope and Galena Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bloodstone Heliotrope and Galena Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bloodstone Heliotrope and Galena Optical Properties during the identification of gemstone. Specific gravity of Bloodstone Heliotrope is 6.23 whereas that of Galena is 6.23.