Cordierite and Moonstone Physical Properties

Cordierite

Moonstone

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.57-2.662.56-2.60

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

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

1.6 Cleavage

Fair on {100}, poor on {001} and {010}

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

1.7 Mohs Hardness

7-7.56-6.5

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Cordierite and Moonstone Chemical Formula

While comparing Cordierite and Moonstone 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 Cordierite and Moonstone chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Compare Blue Gemstones

Cordierite Vs Riebeckite

Cordierite Vs Plumbogummite

Cordierite Vs Rosasite

Cordierite and Moonstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.