Iolite and Thaumasite Physical Properties

Iolite

Thaumasite

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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

2.6-2.71.91

1 7.18

1.5 Fracture

Not Available

Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

3,1

Indistinct

1.7 Mohs Hardness

7-7.53.5

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

Ca 6Si 2(CO 3) 2(SO 4) 2(OH) 12 · 24H 2OUlrich Henn and Claudio C.

Iolite and Thaumasite Chemical Formula

While comparing Iolite and Thaumasite 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 Iolite and Thaumasite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Thaumasite- Ca 6Si 2(CO 3) 2(SO 4) 2(OH) 12 · 24H 2OUlrich Henn and Claudio C.

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Iolite and Thaumasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iolite and Thaumasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iolite and Thaumasite Optical Properties during the identification of gemstone. Specific gravity of Iolite is 1.91 whereas that of Thaumasite is 1.91.