Bloodstone Heliotrope and Topaz Physical Properties

Bloodstone Heliotrope

Topaz

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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

2.55-2.703.49-3.57

1 7.18

1.5 Fracture

Not Available

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

[001] Perfect

1.7 Mohs Hardness

6.5-78

2 10

1.8 Chemical Composition

SiO 2Arthur Thomas , Gemstones (2009)

Al₂SiO₄(F,OH)₂

Bloodstone Heliotrope and Topaz Chemical Formula

While comparing Bloodstone Heliotrope and Topaz 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 Topaz chemical formula.

Chemical formula of Bloodstone Heliotrope- SiO 2Arthur Thomas , Gemstones (2009)
Chemical formula of Topaz- Al₂SiO₄(F,OH)₂

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Bloodstone Heliotrope and Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bloodstone Heliotrope and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bloodstone Heliotrope and Topaz Optical Properties during the identification of gemstone. Specific gravity of Bloodstone Heliotrope is 3.49-3.57 whereas that of Topaz is 3.49-3.57.