Vivianite and Tanzanite Physical Properties

Vivianite

Tanzanite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

2.64-2.703.35

1 7.18

1.5 Fracture

(e.g. graphite).

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

1.6 Cleavage

{010} Perfect

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

Not Available6.5-7

2 10

1.8 Chemical Composition

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

Ca₂Al₃(SiO₄)₃(OH)

Vivianite and Tanzanite Chemical Formula

While comparing Vivianite and Tanzanite 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 Tanzanite chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)

Compare Blue Gemstones

Vivianite Vs Zircon

Vivianite Vs Garnet Malaia

Vivianite Vs Fancy Diamond

Vivianite and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 3.35 whereas that of Tanzanite is 3.35.