Fuchsite and Holmquistite Physical Properties

Fuchsite

Holmquistite

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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

2.77-2.882.95-3.13

1 7.18

1.5 Fracture

Uneven

Not Available

1.6 Cleavage

Perfect basal

{210} Perfect

1.7 Mohs Hardness

2.55-6

2 10

1.8 Chemical Composition

K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Fuchsite and Holmquistite Chemical Formula

While comparing Fuchsite and Holmquistite 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 Fuchsite and Holmquistite chemical formula.

Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
Chemical formula of Holmquistite- Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

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Fuchsite and Holmquistite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fuchsite and Holmquistite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fuchsite and Holmquistite Optical Properties during the identification of gemstone. Specific gravity of Fuchsite is 2.95-3.13 whereas that of Holmquistite is 2.95-3.13.