Iddingsite and Carnelian Physical Properties

Iddingsite

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

2.5-2.82.58-2.64

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{???} Perfect

Absent

1.7 Mohs Hardness

36.5-7

2 10

1.8 Chemical Composition

MgO.Fe2O3.3SiO2•4(H2O)

SiO₂

Iddingsite and Carnelian Chemical Formula

While comparing Iddingsite 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 Iddingsite and Carnelian chemical formula.

Chemical formula of Iddingsite- MgO.Fe2O3.3SiO2•4(H2O)
Chemical formula of Carnelian- SiO₂

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Iddingsite and Carnelian Specific Gravity

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