Scapolite and Cuprite Physical Properties

Scapolite

Cuprite

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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

2.58-2.745.85-6.15

1 7.18

1.5 Fracture

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

Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

{100} Distinct, {110} Distinct

Fair in four directions forming octahedrons

1.7 Mohs Hardness

5.5-63.5-4

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

Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Scapolite and Cuprite Chemical Formula

While comparing Scapolite and Cuprite 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 Cuprite 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 Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Scapolite and Cuprite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scapolite and Cuprite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scapolite and Cuprite Optical Properties during the identification of gemstone. Specific gravity of Scapolite is 5.85-6.15 whereas that of Cuprite is 5.85-6.15.