Andalusite and Clinohedrite Physical Properties

Andalusite

Clinohedrite

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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

3.05-3.21

3.28-3.335

1.5 Fracture

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

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Good on {110}, poor on {100}

{010} Perfect

1.7 Mohs Hardness

7.5

5.5

1.8 Chemical Composition

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

CaZnSiO 4 · H 2OAnthony et al , Handbook of mineralogy (2001)

Andalusite and Clinohedrite Chemical Formula

While comparing Andalusite and Clinohedrite 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 Andalusite and Clinohedrite chemical formula.

Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Clinohedrite- CaZnSiO 4 · H 2OAnthony et al , Handbook of mineralogy (2001)

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Andalusite and Clinohedrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andalusite and Clinohedrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andalusite and Clinohedrite Optical Properties during the identification of gemstone. Specific gravity of Andalusite is 3.28-3.335 whereas that of Clinohedrite is 3.28-3.335.