Black Agate Flames February 4, 2024 with no comment Black agate is a variety of chalcedony, a mineral from the quartz family. Share this: Share on Facebook (Opens in new window) Facebook Email a link to a friend (Opens in new window) Email Share on Pinterest (Opens in new window) Pinterest Share on WhatsApp (Opens in new window) WhatsApp Share on Nextdoor (Opens in new window) Nextdoor Like this:Like Loading... Previous Post Labradorite Next Post Carnelian Flames