Narsarsukite and Siderite Physical Properties

Narsarsukite

Siderite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.72-2.833.83-3.89

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

Uneven, Conchoidal, UnevenArthur Thomas, Brittle

1.6 Cleavage

Good on {100} and {110}

Perfect on {01 1 1}

1.7 Mohs Hardness

6-73.5-4.5

2 10

1.8 Chemical Composition

Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

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

Narsarsukite and Siderite Chemical Formula

While comparing Narsarsukite 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 Narsarsukite and Siderite chemical formula.

Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
Chemical formula of Siderite- Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Narsarsukite and Siderite Specific Gravity

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