Scapolite and Vivianite Physical Properties

Scapolite

Vivianite

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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

2.58-2.742.64-2.70

1 7.18

1.5 Fracture

ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Splintery

(e.g. graphite).

1.6 Cleavage

{100} Distinct, {110} Distinct

{010} Perfect

1.7 Mohs Hardness

5.5-6Not Available

2 10

1.8 Chemical Composition

Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references

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

Scapolite and Vivianite Chemical Formula

While comparing Scapolite 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 Scapolite and Vivianite chemical formula.

Chemical formula of Scapolite- Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Compare Violet Gemstones

Scapolite Vs Violane

Scapolite Vs Tortoiseshell

Scapolite Vs Sugilite

Scapolite and Vivianite Specific Gravity

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