Thaumasite and Vivianite Physical Properties

Thaumasite

Vivianite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.912.64-2.70

1 7.18

1.5 Fracture

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

(e.g. graphite).

1.6 Cleavage

Indistinct

{010} Perfect

1.7 Mohs Hardness

3.5Not Available

2 10

1.8 Chemical Composition

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

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Thaumasite and Vivianite Chemical Formula

While comparing Thaumasite and Vivianite 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 Vivianite 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 Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Compare Gems Found In Africa

Thaumasite Vs Tsavorite

Thaumasite Vs Transvaal Jade

Thaumasite Vs Umbalite

Thaumasite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Thaumasite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Thaumasite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Thaumasite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.