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Sapphire

Sapphire (Hebrew name) is a single crystal of alumina (Al2O3), a mineral called corundum. It occurs either as a natural gem or is artificially manufactured for a variety of different applications, such as its hardness on glass and watch bearings.
While corundum consists of pure alumina, sapphires always contain an admixture of other elements (iron, chromium, copper, magnesium, etc.) which give it a blue, red, yellow, pink, magenta, orange or greenish color. Among the sapphires are included all the gems, which are varieties of corundum - except red - called ruby.
Apart from the blue sapphire, the most valuable sapphire is the "padparascha" - a salmon-colored sapphire, which is often confused with orange and pink sapphire.

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Sapphire raw crystal 2,95ct...

NATURAL SAPPHIRE - crystalWeight: 2,95 ctSize: 1.2 x 0.55 cmColor: white-blue natural color, unheatedCountry of...
Kč1,200.00

Sapphire raw crystal 5,62ct...

NATURAL SAPPHIRE - crystalWeight: 5,62 ctDimensions: 1.58 x 0.71 cmColor: light blue natural color, unheatedCountry...
Kč2,200.00

Sapphire raw crystal...

NATURAL SAPPHIRE - crystalWeight: 13.34 ctDimensions: 1.75 x 0.99 cmColor: light blue natural color, unheatedCountry...
Kč6,700.00

Sapphire raw crystal...

NATURAL SAPPHIRE - crystalWeight: 25.30 ctDimensions: 3.21 x 1.16 x 0.94 cmColor: white - light blue natural color,...
Kč12,500.00

Sapphire raw crystal 9,89ct...

NATURAL SAPPHIRE - crystalWeight: 9.89 ctDimensions: 1.78 x 0.75 cmColor: white natural color, unheatedCountry of...
Kč3,200.00

Sapphire raw crystal...

NATURAL SAPPHIRE - crystalWeight: 15.66 ctDimensions: 2.27 x 0.80 cmColor: white - yellow inclusions natural color,...
Kč3,600.00

Sapphire raw crystal...

NATURAL SAPPHIRE - crystalWeight: 26.74 ctDimensions: 2.43 x 1.13 x 0.97 cmColor: white inclusion blue-purple natural...
Kč7,300.00

Sapphire natural raw...

Sapphire natural raw crystalWeight: 22.2gDimensions: 2.90 x 2.34 x 1.46 cmColor: blue-grayCountry of origin: IndiaYou...
Kč690.00

Sapphire natural raw...

Sapphire natural raw crystalWeight: 26.4gDimensions: 3.50 x 2.50 x 1.24 cmColor: blue-grayCountry of origin: IndiaYou...
Kč730.00

Sapphire natural raw...

Sapphire natural raw crystalWeight: 11.7 gDimensions: 1.75 x 1.54 x 1.33 cmColor: blue-grayCountry of origin:...
Kč350.00

Sapphire natural raw...

Sapphire natural raw crystalWeight: 11.1 gDimensions: 1.96 x 1.83 x 1.02 cmColor: blue-grayCountry of origin:...
Kč340.00

Sapphire natural raw...

Sapphire natural raw crystalWeight: 12 gDimensions: 2.03 x 1.62 x 1.26 cmColor: blue-grayCountry of origin: IndiaYou...
Kč350.00

Sapphire natural raw...

Sapphire natural raw crystalWeight: 15 gDimensions: 2.03 x 1.76 x 1.49 cmColor: blue-grayCountry of origin: IndiaYou...
Kč400.00
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