Rossmanite and Carnelian Physical Properties

Rossmanite

Carnelian

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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

32.58-2.64

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

None

Absent

1.7 Mohs Hardness

Not Available6.5-7

2 10

1.8 Chemical Composition

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

SiO₂

Rossmanite and Carnelian Chemical Formula

While comparing Rossmanite and Carnelian 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 Carnelian 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 Carnelian- SiO₂

Compare Gems Found in America

Rossmanite Vs Serandite

Rossmanite Vs Scolecite

Rossmanite Vs Serpentine

Rossmanite and Carnelian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rossmanite and Carnelian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Carnelian Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 2.58-2.64 whereas that of Carnelian is 2.58-2.64.