Plumbogummite and Shigaite Physical Properties

Plumbogummite

Shigaite

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1 Physical Properties

1.1 Tenacity

Brittle

Moderately ﬂexible

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.0142.32

1 7.18

1.5 Fracture

Uneven, Conchoidal

Flexible Flexible fragments.

1.6 Cleavage

None

Perfect on {0001}

1.7 Mohs Hardness

4-52

2 10

1.8 Chemical Composition

Not Available

Plumbogummite and Shigaite Chemical Formula

While comparing Plumbogummite and Shigaite 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 Plumbogummite and Shigaite chemical formula.

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Plumbogummite and Shigaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Plumbogummite and Shigaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Plumbogummite and Shigaite Optical Properties during the identification of gemstone. Specific gravity of Plumbogummite is 2.32 whereas that of Shigaite is 2.32.