The Rosalinde & Arthur Gilbert collection: Mosaics
'Lavinia as Flora', glass micromosaic by Luigi Moglia, Rome, Italy, about 1830. Museum no. Loan:Gilbert.886-2008
In an auction house in Los Angeles, Sir Arthur Gilbert was drawn to what he believed to be a pair of paintings only to realise that he was in fact looking at a pair of micromosaics made from miniscule glass pieces. These micromosaics formed the beginning of a collection that would become one of the world's most comprehensive, second only to those of the Vatican Museum, Rome, and the Hermitage Museum, St. Petersburg. Sir Arthur's collection also contains hardstone mosaics, also known as pietre dure, where the finished effect is achieved by the careful combination of semi-precious stones to create a harmonious whole.
The ancient technique of mosaic was revived in Europe during the 16th century after Roman antiquities, including mosaics, began to be unearthed in archaeological excavations. Techniques developed and improved, with mosaic images becoming increasingly subtle as the individual glass pieces, known as tesserae, became smaller, and the range of available colour pigments grew larger. In 1588 Ferdinand de' Medici established the Grand Ducal workshop in Florence, which supported and patronised the specialised art of hardstone mosaics. Many craftsmen were trained in Florence before setting up studios around Italy. Pietre dure mosaics were produced in Florence, Milan and Rome, and were emulated in Prague and St. Petersburg. Soon craftsmen were attempting to create the perfect 'stone paintings' through the clever exploitation of the natural variations in pigment of the stones. As techniques quickly improved, the mosaics became more figurative than geometric. In the 18th century the glass micromosaic technique was developed in the Vatican Mosaic Workshop in Rome.
Micromosaics and pietre dure can be found on a great variety of objects such as tabletops, cabinets, vases, pictures and jewellery.
Making a pietre dure panel
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The Gilbert Collection at the V&A

Arthur and Rosalind Gilbert began collecting in the 1960s and over a period of about 40 years formed one of the world's most magnificent private colle…
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Built by impresario Richard D’Oyly Carte with the profits from his Gilbert and Sullivan operas, The Savoy opened in 1889 and was Britain’s first luxury hotel.
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