1. A hard compact kind of calcite
   - alabaster, oriental alabaster, Mexican onyx

Derived forms: onyx marbles

Type of: calcite

• iproclozide
• ipse dixit
• ipsedixitism
• ipsilateral
• ipso facto
• Ipsus
• IPV
• IQ
• IQ test
• ir-
• ira
• Ira Gershwin
• iracund
• irade
• Irak
• Iraki
• Iran
• Iran-Iraq War
• Irani
• Iranian
• Iranian capital
• Iranian dinar
• Iranian language
• Iranian monetary unit
• Iranian rial