Franklinite and Natrolite Physical Properties

Franklinite

Natrolite

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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

5.05-5.222.20-2.26

1 7.18

1.5 Fracture

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

Uneven, Brittle, Metallic, Gemstones (2009)

1.6 Cleavage

None

Perfect on {110}

1.7 Mohs Hardness

5.5-65-5.5

2 10

1.8 Chemical Composition

(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Franklinite and Natrolite Chemical Formula

While comparing Franklinite and Natrolite 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 Franklinite and Natrolite chemical formula.

Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Natrolite- Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Red Gemstones

Franklinite Vs Hydrogrossular

Franklinite Vs Hibonite

Franklinite Vs Hexagonite

Franklinite and Natrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Natrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Natrolite Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 2.20-2.26 whereas that of Natrolite is 2.20-2.26.