British Museum blog

More than just gold

Jaguar lime flask with nose ornament, Calima Malagana (Yotoco Malagana), 200 BC - AD 1300. © Museo del Oro (O33156)Elisenda Vila Llonch, curator, British Museum

Gold glitters in our exhibition, Beyond El Dorado, power and gold in ancient Colombia. To our modern eye those pieces convey ideas of richness, wealth and a fascinating world that disappeared a long time ago. Exquisitely crafted, they are testimonies of the complexity and sophistication achieved by those pre-Hispanic people. Objects that seem at first glance made of gold are much more complex and are in fact made of metal alloys. In most instances they combine, in different degrees, gold, some natural occurring silver, and copper, a combination known as tumbaga. These metals were symbolically charged in pre-Hispanic times, being associated with the sun and the moon respectively. Their combination produced a microcosm, a balance between opposites in the rendering of each object.

Gold alloy disc, Late Nariño, AD 600-1600. © Museo del Oro (O21220)

Gold alloy disc, Late Nariño, AD 600-1600. © Museo del Oro (O21220)

The creation of alloys also allowed for differences in colour, ranging from reddish to golden tones. Each object had its own particular colour, shine and finish thanks to the mastery and skills of the artists that produced them. Some even show contrasting colours in the same object, producing beautiful patterns and details.

Small ingots of tumbaga, in the shape of round buttons, were crafted in unique objects either by hammering or casting them (or by a combination of both techniques). Ancient Colombian artists mastered both techniques to an unprecedented degree, creating exceptional works of art.

Jaguar lime flask with nose ornament, Calima Malagana (Yotoco Malagana), 200 BC - AD 1300. © Museo del Oro (O33156)

Jaguar lime flask with nose ornament, Calima Malagana (Yotoco Malagana), 200 BC – AD 1300. © Museo del Oro (O33156)

Hammering metal was a delicate process. Metal becomes easily brittle when hammered and they have to be repeatedly cooled and dipped in water before the final form is achieved. The thin sheets of gold were then cut, decorated (for example by repoussé) or joined by clipping or folding several sheets together. Exceptional three dimensional pieces were created, as for example the wonderful jaguar seen in the exhibition (above). Claws, tail and jaws are articulated and even the nose ring is made of a rare alloy of platinum and gold.

However, it was the casting of metals that was developed most in ancient Colombia. Using the lost wax technique, artist modelled the final piece they wanted to achieve in beeswax (from stingless bees). Once the wax figure was finished it was covered in fine clay and charcoal, leaving pouring channels. The whole mould was fired and the melted wax poured out. Its place would be taken by molten metal, which cooled slowly as it solidified inside the mould. The mould was then broken and the final metal piece polished and finished.

Seated female poporo (lime container), Early Quimbaya, 500 BC - AD 700 (© Trustees of the British Museum, Am1940,11.2)

Seated female poporo (lime container), Early Quimbaya, 500 BC – AD 700 (© Trustees of the British Museum, Am1940,11.2)

Ancient Colombian artist even created hollow objects following this technique, for example flasks and containers. Great skill was needed to produce them. The figure was modelled in clay and charcoal, and a thin layer of wax was applied to cover the final result. Over this another layer of clay would be added, and wooden pegs were inserted to fix the inner mould to the outer one to keep them in place when the wax melted. Controlling the flow of the metal to every single detail of the piece, its slow solidification, and then freeing the figure without damaging it was challenge that could only be achieved by the most experienced hands. Exquisite works of art, seen in this exhibition, were the result of incredible knowledge, care and time invested in their making.

Videos showing goldmaking techniques created for the exhibition

  1. Depletion gilding (dorado por oxidación)
  2. From wax to metal (de la cera al metal)
  3. By hammer and fire (a martillo y fuego)

The exhibition Beyond El Dorado: power and gold in ancient Colombia, organised with Museo del Oro, is at the British Museum until 23 March 2014.
Sponsored by Julius Baer.
Additional support provided by American Airlines.

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3 Responses - Comments are closed.

  1. Sugam Mehta says:

    Congratrulations! What an amazing exhibition! We are planning to fly over the atlantic to see it!

    Like

  2. Reblogged this on Cat Among the Pigeons Press and commented:
    I saw this exhibition and it was brilliant!

    Like

  3. Beverly Anderson says:

    Once again, a bravura entry from this blog. At last I really understand how these techniques work; elegantly filmed too. Let us hope the BM survives, despite the prevailing political disdain for public institutions.
    Thank you all, from a 72 year old student, learning with your help, though far away in Brooklyn.

    Like

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Discover some of the amazing wearable treasures in our new #Waddesdon gallery on @Pinterest at pinterest.com/britishmuseum
The Grenville Jewel. Dating from about 1635–1640, this superb locket contains a portrait by David Des Granges of Sir Bevil Grenville, a Cornish Royalist General who died during the English Civil War in 1643. The case is a bravura demonstration of enamelling on gold. Minute pansies, marguerites and green leaves stand out against a black background. A large square sapphire adorns the centre, surrounded by rubies, opals and diamonds. A pendant pearl in an enamelled setting completes the piece.
Gold enamelled pendant jewel with a ruby-studded parrot. The top of the base is enamelled with shields and flowers. Two pendant pearls complete the jewel. The parrot itself may have 16th-century Spanish origins, but the rest of the jewel is largely a 19th-century construction by the French jeweller Alfred André (1839–1919). A similar parrot pendant is in the Museo Arqueológico Nacional, Madrid, where the bird is also modelled in the round and white enamel used to highlight the eyes. Here's another great photo from our instagramer event, a #tired_portrait in the Great Court by @zoecaldwell.
Check out #emptyBM to see all their amazing photos! US artist John Sloan was born #onthisday in 1871. 
John Sloan, painter, printmaker and teacher, first took up etching as a self-taught adolescent.  Moving to New York in 1904, he became part of a group of eight artists, better known as “The Ashcan School”, who focused on creating images of urban realism. Between 1891 and 1940 Sloan produced some 300 etchings. He was also one of the first chroniclers of the American scene and wrote about printmaking and the etching technique.
This etching comes from the series of 10 prints entitled 'New York City Life', recording the lives of the ordinary inhabitants in less affluent areas of Manhattan. The prints had a mixed reception at the time and a number were rejected from an exhibition of the American Watercolor Society as ‘vulgar’ and ‘indecent’. #August is named after the Roman emperor Augustus. Before 8 BC the Romans called it Sextilis! 
This head once formed part of a statue of the emperor Augustus (ruled 27 BC – AD 14). In 31 BC he defeated Mark Antony and Cleopatra at the battle of Actium and took possession of Egypt, which became a Roman province. The writer Strabo tells us that statues of Augustus were erected in Egyptian towns near the first cataract of the Nile at Aswan and that an invading Kushite army looted many of them in 25 BC.
Although Roman counter-attackers reclaimed many of the statues, they did not reach Meroë, where this head was buried beneath the steps of a native temple dedicated to Victory. It seems likely that the head, having been cut from its statue, was placed there deliberately so as to be permanently below the feet of its Meroitic captors.
The head of Augustus appears larger than life, with perfect proportions based upon Classical Greek notions of ideal human form. His calm distant gaze, emphasised with inset eyes of glass and stone, give him an air of quiet, assured strength. Coins and statues were the main media for propagating the image of the Roman emperor. This statue, like many others throughout the Empire, was made as a continuous reminder of the all-embracing power of Rome and its emperor. English sculptor Henry Moore was born #onthisday in 1898.
Drawing played a major role in Henry Moore's work throughout his career. He used it to generate and develop ideas for sculpture, and to create independent works in their own right.
During the 1930s the range and variety of his drawing expanded considerably, starting with the 'Transformation Drawings' in which he explored the metamorphosis of natural, organic shapes into human forms. At the end of the decade he began to focus on the relationship between internal and external forms, his first sculpture of this nature being 'Helmet' (Tate Collections) of 1939.
This drawing titled ‘Two Women: Drawing for sculpture combining wood and metal’ was based on a pencil study entitled ‘Ideas for Lead Sculpture’. It reflects his awareness of surrealism and psychoanalytical theory as well his abiding interest in ethnographic material and non-European sculpture; the particular reference in this context is to a malangan figure (malangan is a funeral ritual cycle) from New Ireland province in Papua New Guinea, which had attracted his interest in the British Museum. 
Henry Moore, Two Women: Drawing for sculpture combining wood and metal. England, 1939. Here's another fabulous view of the Great Court captured by @whatinasees at our instagramer event #regram #repost
Check out all of the photos at #emptyBM
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