Flint glass

Celery glass
MFA# 1975.20

Description

An optical quality glass with a high refractive index and low dispersion. Flint glass is a Potash-lead glass used for optical lenses and crystal glassware.

See also crystal.

Synonyms and Related Terms

cristal de chumbo com potássio (Port.)

Bishop mug
MFA# 1995.765

Physical and Chemical Properties

Melting Point	630 C (softens)
Density	3.05 g/ml
Refractive Index	1.560

Resources and Citations

• G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 383

• Walter C. McCrone, John Gustave Delly, The Particle Atlas, W. McCrone Associates, Chicago, IV, 1972

• Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985

• Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996