Ruby Glass, 1% cuprous oxide

Experiment

Research

Copper oxide (Cu2O) was added to a mixture of sodium carbonate, silica and calcium carbonate which was further heated in a crucible at 1500 °C for about 1h

Material

Glass

Craft

Glass-making

General Technique

Other

Specific Technique

melt-quenching followed by a controlled annealing

Properties & Qualities

Application

Art, Product

Qualities

Polished, Shiny, Translucent

Colour

Red

Sample Information

Date of creation

11/08/2008

Recipe Details

Silica, calcium carbonate, sodium carbonate and cuprous oxide were used as starting materials. Approximately 25 g batches were mixed and melted in platinum crucibles in an electric furnace at 1500 °C for 1 h in air. The melted glass was quenched at room temperature and further annealed at ca. 600 °C for 1 h. The glass sample was cut and carefully polished.

Credits

Craft Maker

Andreia Ruivo

Library Contributor

VICARTE, NOVA

Photographer

Cristiana Prada