Ask-A-Geologist #7: Are amethysts a part of geodes or are the minerals in geodes different?

David asked: Are amethysts part of geodes or are the minerals in geodes different? Hi David, geodes can contain amethyst crystals. These unique samples form in open holes in sedimentary rocks such as limestone or igneous rocks likes basalt.

Geodes are fun for all ages

Fun Crack-Your-Own-Geodes make great gifts. Cover each geode with a sock or towel and hit gently with a hammer until the rock breaks open. Uncover the geode pieces for dazzling display of crystals! Each geode is approximately 2″ to 5″ in diameter. Adult supervision required. Best for ages 6+ with adult supervision for children. Due […]

Our Most Popular Ask-a-Geologist Question…..EVER!

This has to be the most-asked question we receive here at Mini Me Geology. Question: What are the hollow ball-like objects, such as quartz, which are found in sedimentary rocks?