Zinnwaldite and Mottramite Physical Properties

Zinnwaldite

Mottramite

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1 Physical Properties

1.1 Tenacity

Elastic

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.9-3.15.9

1 7.18

1.5 Fracture

Uneven

Sub-Conchoidal, Brittle, Metallic

1.6 Cleavage

Perfect basal {001}

None observed

1.7 Mohs Hardness

3.5-4.03

2 10

1.8 Chemical Composition

Not Available

Zinnwaldite and Mottramite Chemical Formula

While comparing Zinnwaldite and Mottramite 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 Zinnwaldite and Mottramite chemical formula.

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Zinnwaldite and Mottramite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zinnwaldite and Mottramite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zinnwaldite and Mottramite Optical Properties during the identification of gemstone. Specific gravity of Zinnwaldite is 5.9 whereas that of Mottramite is 5.9.