Demantoid and Thaumasite Physical Properties

Demantoid

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

3.77-3.951.91

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

Indistinct

1.7 Mohs Hardness

6.53.5

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

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

Demantoid and Thaumasite Chemical Formula

While comparing Demantoid 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 Demantoid and Thaumasite chemical formula.

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

Compare Green Gemstones

Demantoid Vs Euclase

Demantoid Vs Faustite

Demantoid Vs Emerald

Demantoid and Thaumasite Specific Gravity

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