The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
Gemology
Examining a pink sapphire under a gemmological microscope
Examining a pink sapphire under a gemmological microscope
Gemmological travel lab KA52KRS
Gemmological travel lab KA52KRS
A selection of ornamental, non-precious stones made by tumbling rough pebbles with abrasive grit in a rotating drum. The biggest pebble here is 40 mil
A selection of ornamental, non-precious stones made by tumbling rough pebbles with abrasive grit in a rotating drum. The biggest pebble here is 40 millimetres (1.6 in) long.
Traditional handheld refractometer
Traditional handheld refractometer
Gemstone
Gemstone
A collection of gemstone pebbles made by tumbling the rough stones, except the ruby and tourmaline, with abrasive grit inside a rotating barrel. The l
A collection of gemstone pebbles made by tumbling the rough stones, except the ruby and tourmaline, with abrasive grit inside a rotating barrel. The largest pebble here is 40 mm (1.6 in) long.
Spanish emerald and gold pendant at Victoria and Albert Museum
Spanish emerald and gold pendant at Victoria and Albert Museum
Enamelled gold, amethyst, and pearl pendant, about 1880, Pasquale Novissimo (1844–1914), V&A Museum number M.36-1928
Enamelled gold, amethyst, and pearl pendant, about 1880, Pasquale Novissimo (1844–1914), V&A Museum number M.36-1928
A diamond cutter in Amsterdam
A diamond cutter in Amsterdam