Super Seven Crystals and Andalusite Physical Properties

Super Seven Crystals

Andalusite

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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

2.93.05-3.21

1 7.18

1.5 Fracture

Fibrous

Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Good on {110}, poor on {100}

1.7 Mohs Hardness

27.5

2 10

1.8 Chemical Composition

Not Available

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Super Seven Crystals and Andalusite Chemical Formula

While comparing Super Seven Crystals and Andalusite 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 Super Seven Crystals and Andalusite chemical formula.

Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Super Seven Crystals and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Super Seven Crystals and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Super Seven Crystals and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Super Seven Crystals is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.