Friedelite and Siderite Physical Properties

Friedelite

Siderite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.06-3.193.83-3.89

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, UnevenArthur Thomas, Brittle

1.6 Cleavage

{010} Perfect

Perfect on {01 1 1}

1.7 Mohs Hardness

4-53.5-4.5

2 10

1.8 Chemical Composition

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

Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Friedelite and Siderite Chemical Formula

While comparing Friedelite and Siderite 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 Siderite chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Chemical formula of Siderite- Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Friedelite Vs Hydrogrossular

Friedelite and Siderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Friedelite and Siderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Friedelite and Siderite Optical Properties during the identification of gemstone. Specific gravity of Friedelite is 3.83-3.89 whereas that of Siderite is 3.83-3.89.