Carnelian and Thaumasite Physical Properties

Carnelian

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

2.58-2.64

1.91

1.5 Fracture

Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

Absent

Indistinct

1.7 Mohs Hardness

6.5-7

3.5

1.8 Chemical Composition

SiO₂

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

Carnelian and Thaumasite Chemical Formula

While comparing Carnelian 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 Carnelian and Thaumasite chemical formula.

Chemical formula of Carnelian- SiO₂
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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Carnelian and Thaumasite Specific Gravity

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