Scapolite and Caledonite Physical Properties

Scapolite

Caledonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.745.6-5.76

1 7.18

1.5 Fracture

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

Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

{100} Distinct, {110} Distinct

[001] perfect; [100] distinct

1.7 Mohs Hardness

5.5-62.5-3

2 10

1.8 Chemical Composition

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

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Scapolite and Caledonite Chemical Formula

While comparing Scapolite and Caledonite 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 Scapolite and Caledonite chemical formula.

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
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Compare Violet Gemstones

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Scapolite and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scapolite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scapolite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Scapolite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.