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Holmquistite
Holmquistite

Dallasite
Dallasite



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Holmquistite
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Dallasite

Holmquistite and Dallasite Physical Properties

1 Physical Properties
1.1 Tenacity
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1.2 Solubility
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1.3 Durability
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1.4 Specific Gravity
2.95-3.132.58-2.91
Amber
1 7.18
1.5 Fracture
Not Available
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1.6 Cleavage
{210} Perfect
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1.7 Mohs Hardness
5-66.5-7
Amber
2 10
1.8 Chemical Composition
Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Not Available

Holmquistite and Dallasite Chemical Formula

While comparing Holmquistite and Dallasite 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 Holmquistite and Dallasite chemical formula.

  • Chemical formula of Holmquistite- Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
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Holmquistite and Dallasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Holmquistite and Dallasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Holmquistite and Dallasite Optical Properties during the identification of gemstone. Specific gravity of Holmquistite is 2.58-2.91 whereas that of Dallasite is 2.58-2.91.