Narsarsukite and Charoite Physical Properties

Narsarsukite

Charoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.4 Durability

Not Available

1.6 Specific Gravity

2.72-2.832.54-2.78

1 7.18

1.7 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.8 Cleavage

Good on {100} and {110}

Good in three directions

1.9 Mohs Hardness

6-75-6

2 10

1.14 Chemical Composition

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

K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Narsarsukite and Charoite Chemical Formula

While comparing Narsarsukite and Charoite 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 Charoite chemical formula.

Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
Chemical formula of Charoite- K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Narsarsukite and Charoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Narsarsukite and Charoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Narsarsukite and Charoite Optical Properties during the identification of gemstone. Specific gravity of Narsarsukite is 2.54-2.78 whereas that of Charoite is 2.54-2.78.