Vivianite and Titanite Sphene Physical Properties

Vivianite

Titanite Sphene

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.64-2.703.52-3.54

1 7.18

1.5 Fracture

(e.g. graphite).

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{010} Perfect

Not Available

1.7 Mohs Hardness

Not Available5-5.5

2 10

1.8 Chemical Composition

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

CaTiSiO 5Ulrich Henn and Claudio C.

Vivianite and Titanite Sphene Chemical Formula

While comparing Vivianite and Titanite Sphene 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 Vivianite and Titanite Sphene chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Titanite Sphene- CaTiSiO 5Ulrich Henn and Claudio C.

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Vivianite and Titanite Sphene Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Titanite Sphene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Titanite Sphene Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 3.52-3.54 whereas that of Titanite Sphene is 3.52-3.54.