Rossmanite and Scapolite Physical Properties

Rossmanite

Scapolite

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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

32.58-2.74

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

None

{100} Distinct, {110} Distinct

1.7 Mohs Hardness

Not Available5.5-6

2 10

1.8 Chemical Composition

◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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

Rossmanite and Scapolite Chemical Formula

While comparing Rossmanite and Scapolite 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 Rossmanite and Scapolite chemical formula.

Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
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

Compare Gems Found in America

Rossmanite Vs Scolecite

Rossmanite Vs Serandite

Rossmanite Vs Serpentine

Rossmanite and Scapolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rossmanite and Scapolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Scapolite Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 2.58-2.74 whereas that of Scapolite is 2.58-2.74.