Quartz and Vivianite Physical Properties

Quartz

Vivianite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.652.64-2.70

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle, Gems

(e.g. graphite).

1.6 Cleavage

{0110} Indistinct

{010} Perfect

1.7 Mohs Hardness

7Not Available

2 10

1.8 Chemical Composition

SiO₂

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

Quartz and Vivianite Chemical Formula

While comparing Quartz 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 Quartz and Vivianite chemical formula.

Chemical formula of Quartz- SiO₂
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

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Quartz and Vivianite Specific Gravity

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