Pollucite and Titanite Sphene Physical Properties

Pollucite

Titanite Sphene

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Readily soluble in HF

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.86-2.943.52-3.54

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

None observed

Not Available

1.7 Mohs Hardness

6.5-75-5.5

2 10

1.8 Chemical Composition

(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

CaTiSiO 5Ulrich Henn and Claudio C.

Pollucite and Titanite Sphene Chemical Formula

While comparing Pollucite 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 Pollucite and Titanite Sphene chemical formula.

Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Titanite Sphene- CaTiSiO 5Ulrich Henn and Claudio C.

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Pollucite and Titanite Sphene Specific Gravity

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