Spinel and Rutilated Quartz Physical Properties

Spinel

Rutilated Quartz

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.64-3.662.65

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Gems, Sixth Edition (2006)

1.6 Cleavage

None, but may exhibit slight parting

Indiscernible

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

MgAl₂O₄

Quartz: SiO₂ Rutile: TiO2

Spinel and Rutilated Quartz Chemical Formula

While comparing Spinel and Rutilated Quartz 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 Spinel and Rutilated Quartz chemical formula.

Chemical formula of Spinel- MgAl₂O₄
Chemical formula of Rutilated Quartz- Quartz: SiO₂ Rutile: TiO2

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Spinel and Rutilated Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Rutilated Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Rutilated Quartz Optical Properties during the identification of gemstone. Specific gravity of Spinel is 2.65 whereas that of Rutilated Quartz is 2.65.