Thaumasite and Hematite Physical Properties

Thaumasite

Hematite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.915.00-5.30

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

Indistinct

None, may show partings on {0001} and {10 1 1}

1.7 Mohs Hardness

3.56

2 10

1.8 Chemical Composition

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

Fe 2O 3Arthur Thomas , Gemstones (2009)

Thaumasite and Hematite Chemical Formula

While comparing Thaumasite and Hematite 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 Thaumasite and Hematite chemical formula.

Chemical formula of Thaumasite- Ca 6Si 2(CO 3) 2(SO 4) 2(OH) 12 · 24H 2OUlrich Henn and Claudio C.
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Thaumasite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Thaumasite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thaumasite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Thaumasite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.