Vivianite and Smoky Quartz Physical Properties

Vivianite

Smoky Quartz

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.64-2.702.65

1 7.18

1.5 Fracture

(e.g. graphite).

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

1.6 Cleavage

{010} Perfect

{0110} Indistinct

1.7 Mohs Hardness

Not Available7

2 10

1.8 Chemical Composition

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

SiO₂

Vivianite and Smoky Quartz Chemical Formula

While comparing Vivianite and Smoky Quartz 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 Smoky Quartz chemical formula.

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

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Vivianite and Smoky Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 2.65 whereas that of Smoky Quartz is 2.65.