Porphyry
Item
Identifier
2024.049
Title
Porphyry
Type
Description
From California. An igneous rock, first quarried in ancient Egypt, containing relatively large crystals in a fine-grained igneous matrix. It is considered the best material for the muller and slab used for grinding artists' colors.
Measurements
2 x 4-1/4 x 4-1/4 in. (4.5 x 11 x 11 cm), weight: 2.14 lbs. (1.3 kg)
Medium
Porphyry
Subject
sculpture; architecture; stone; rocks
Source
Gift of Dr. Sarah K. Rich
Copyright statement
These images are posted publicly for non-profit educational uses, excluding printed publication. Other uses may not be permitted.