1. A pink or red mineral consisting of cobalt arsenate, used as an ore of cobalt and as a pigment.
Usage: mineralogy; also called cobalt bloom

Examples

• Erythrite deposits are often found in oxidized zones of cobalt-bearing ore bodies.
• The geologist identified the pink mineral as erythrite under the microscope.
• Erythrite has been historically valued as a source of cobalt for producing blue pigments.
• The specimen displayed the characteristic rose-red color typical of erythrite crystals.