Pyrope Almandine and Friedelite Physical Properties

Pyrope Almandine

Friedelite

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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

3.62-4.203.06-3.19

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)

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

1.6 Cleavage

Not Available

{010} Perfect

1.7 Mohs Hardness

7-7.54-5

2 10

1.8 Chemical Composition

(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

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

Pyrope Almandine and Friedelite Chemical Formula

While comparing Pyrope Almandine and Friedelite 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 Pyrope Almandine and Friedelite chemical formula.

Chemical formula of Pyrope Almandine- (Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)
Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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Pyrope Almandine and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrope Almandine and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrope Almandine and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Pyrope Almandine is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.