Montebrasite and Cuprite Physical Properties

Montebrasite

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

2.98-3.105.85-6.15

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

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

1.6 Cleavage

{100} Perfect, {110} Good, {011} Distinct

Fair in four directions forming octahedrons

1.7 Mohs Hardness

5.5-63.5-4

2 10

1.8 Chemical Composition

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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

Montebrasite and Cuprite Chemical Formula

While comparing Montebrasite 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 Montebrasite and Cuprite chemical formula.

Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)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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Montebrasite and Cuprite Specific Gravity

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