Islamic ArtCeramics11th–12th centuryGlaze Clump is a ceramics Nishapur from Iran created in 11th–12th century using alkaline glaze reverted to original state, forming solid re-hardened mass of… measuring H. 2 in. (5.1 cm) W. 4 1/4 in. (10.8 cm) — now part of the Islamic Art collection at The Metropolitan Museum of Art.
About This Artwork
| Medium | Alkaline glaze reverted to original state, forming solid re-hardened mass of liver color with bright red streaks |
| Dimensions | H. 2 in. (5.1 cm) W. 4 1/4 in. (10.8 cm) |
| Classification | Ceramics |
| Department | Islamic Art |
| Credit Line | Rogers Fund, 1948 |
| Date | 11th–12th century |
Historical Context
Geography
Origin: Nishapur, Iran. 
Frequently Asked Questions
What department houses Glaze Clump?
Glaze Clump is housed in the Islamic Art department of The Metropolitan Museum of Art.
When was Glaze Clump created?
Glaze Clump dates to 11th–12th century.
What material is Glaze Clump made from?
Glaze Clump is crafted from alkaline glaze reverted to original state, forming solid re-hardened mass of liver color with bright red streaks.
Where does Glaze Clump originate?
Glaze Clump originates from Iran.
Is Glaze Clump in the public domain?
Glaze Clump is not in the public domain; rights and reproduction restrictions may apply.
Data Source: The Metropolitan Museum of Art Open Access · Last updated: April 2026