Bloodstone and Spinel Physical Properties

Bloodstone

Spinel

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

2.63-2.653.64-3.66

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Indiscernible

None, but may exhibit slight parting

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

SiO₂

MgAl₂O₄

Bloodstone and Spinel Chemical Formula

While comparing Bloodstone and Spinel 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 and Spinel chemical formula.

Chemical formula of Bloodstone- SiO₂
Chemical formula of Spinel- MgAl₂O₄

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Bloodstone Vs Hawks Eye

Bloodstone and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bloodstone and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bloodstone and Spinel Optical Properties during the identification of gemstone. Specific gravity of Bloodstone is 3.64-3.66 whereas that of Spinel is 3.64-3.66.