Shigaite and Cavansite Physical Properties

Shigaite

Cavansite

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1 Physical Properties

1.1 Tenacity

Moderately ﬂexible

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.322.25-2.33

1 7.18

1.5 Fracture

Flexible Flexible fragments.

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Perfect on {0001}

Good on {010}

1.7 Mohs Hardness

23-4

2 10

1.8 Chemical Composition

Not Available

Ca(VO)Si4O10•4(H2O)

Shigaite and Cavansite Chemical Formula

While comparing Shigaite and Cavansite 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 Shigaite and Cavansite chemical formula.

Chemical formula of Cavansite- Ca(VO)Si4O10•4(H2O)

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Shigaite and Cavansite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Shigaite and Cavansite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shigaite and Cavansite Optical Properties during the identification of gemstone. Specific gravity of Shigaite is 2.25-2.33 whereas that of Cavansite is 2.25-2.33.