Amber

Amber is probably best known for its insect and other types of inclusions. Millions of years ago, when amber oozed from countless plants, the substance acted as a sticky trap for ants, bees, termites, and other insects. Flower parts, leaves, and pine needles are also typical amber inclusions, along with gas bubbles.

Amber containing larger animals like scorpions, snails, frogs, and lizards can be very valuable—especially if the animal “inclusions” are preserved intact.