Stichtite and Kyanite Physical Properties

Stichtite

Kyanite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.3 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.11-2.203.53-3.65

1 7.18

2.6 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven

Splintery, Brittle, Metallic

2.7 Cleavage

Perfect on {0001}

[100] perfect [010] imperfect with 79° angle between

2.8 Mohs Hardness

Not Available4-7

2 10

2.14 Chemical Composition

Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Not Available

Stichtite and Kyanite Chemical Formula

While comparing Stichtite and Kyanite 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 Stichtite and Kyanite chemical formula.

Chemical formula of Stichtite- Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Stichtite and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stichtite and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stichtite and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Stichtite is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.