1. Plural of greenockite; a rare mineral form of cadmium sulfide (CdS), typically yellow or orange in color, found in small quantities in zinc and lead ore deposits.
Usage: mineralogy; technical; plural form

Examples

• Greenockites are rarely found in significant quantities in mineral collections.
• The geologist identified greenockites among the zinc ore samples under the microscope.
• Collectors prize greenockites for their distinctive yellow-orange crystals.
• Greenockites form as secondary minerals in oxidized zones of sulfide deposits.