Star Sapphire and Super Seven Crystals Physical Properties

Star Sapphire

Super Seven Crystals

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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

3.90-4.052.9

1 7.18

1.5 Fracture

Not Available

Fibrous

1.6 Cleavage

Not Available

[010] Perfect, [100] Distinct, [011] Distinct

1.7 Mohs Hardness

Not Available2

2 10

1.8 Chemical Composition

Al 2O 3Ulrich Henn and Claudio C.

Not Available

Star Sapphire and Super Seven Crystals Chemical Formula

While comparing Star Sapphire and Super Seven Crystals 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 Star Sapphire and Super Seven Crystals chemical formula.

Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

Compare Blue Gemstones

Star Sapphire Vs Verdite

Star Sapphire Vs Tourmaline

Star Sapphire Vs Tortoiseshell

Star Sapphire and Super Seven Crystals Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Super Seven Crystals Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire and Super Seven Crystals Optical Properties during the identification of gemstone. Specific gravity of Star Sapphire is 2.9 whereas that of Super Seven Crystals is 2.9.