Friedelite and Dallasite Physical Properties

Friedelite

Dallasite

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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

3.06-3.192.58-2.91

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

Not Available

1.6 Cleavage

{010} Perfect

Not Available

1.7 Mohs Hardness

4-56.5-7

2 10

1.8 Chemical Composition

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Not Available

Friedelite and Dallasite Chemical Formula

While comparing Friedelite 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 Friedelite and Dallasite chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Compare Red Gemstones

Friedelite Vs Imperial Topaz

Friedelite Vs Hydrogrossular

Friedelite Vs Hibonite

Friedelite and Dallasite Specific Gravity

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