Definition of "andradite" []

• A green to brown or black calcium-iron garnet, Ca3Fe2(SiO4)3. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "These are all silicates, the almandite garnets being silicates of iron and aluminum; the pyrope garnets are silicates of magnesium and aluminum; the hessonite garnets, silicates of calcium and aluminum, and the andradite garnets, silicates of calcium and iron."
• "- Garnet is the name of a large family of gemstones that includes pyrope, grossular, andradite, spessartine, and almandine."
• "REE-enriched minerals identified in petrographic studies include strontium-REE-apatite, britholite, allanite, and REE mineral inclusions in andradite garnet."