Italy · Glasswork / Jewellery

Murano Glass Bead Making

Perle di Murano / Lavorazione a Lume

The making of glass beads on Murano using the lamp (lume) technique, in which glass rods are melted over a flame and wound onto a steel mandrel, distinguished from furnace glass by its small scale, extraordinary color control, and historical role as global trade currency.

Risk level: Critically Endangered · UNESCO Intangible Cultural Heritage of Humanity (2023, shared listing with furnace glassblowing)

Alternate Names
Conterie; lampwork beads; Venetian trade beads
Geographic Center
Murano, Venice, Veneto
Community / Ethnic Group
Perleri (bead makers) and impiraresse (bead stringers, historically women of Venice)
Estimated Origin
14th century; trade bead production peak 16th-19th centuries
Cultural Function
Global trade instrument; diplomatic currency; personal adornment; central to transatlantic slave trade and colonial exchange networks
Primary Materials
Murrine (glass rods and canes); soda-lime glass
Primary Tools
Lume (propane/oxygen torch); acciaino (steel mandrel, 1.5-4mm diameter)
Process Overview
Glass rod melted in torch flame and wound onto clay-coated mandrel, built in layers with decoration, shaped, annealed in kiln, mandrel removed.
Traditional Applications
Global trade currency — exchanged for enslaved people, ivory, and spices across Africa, Asia, and the Americas; personal adornment
Contemporary Applications
Jewelry; collector objects; art installations
Notable Practitioners
Davide Penso (internationally exhibited); Rossana Ferullo
Key References
Dubin, L.S. (1987). The History of Beads. Abrams. Karklins, K. (1985). Glass Beads. Parks Canada.
Verification Status
Desk-Researched — desk research

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