Druzy

 DRUSE, DRUSY, CRYSTAL DRUSE

Crystal Druce is sets of tiny crystals of minerals that form on the surface of another stone.

Druse occurs when water brings minerals onto a rock's surface. When the water evaporates, cooling occurs, and the minerals are left behind to form crystals on top of the rock.

There are many types of druzy because there are many types of minerals. Each type of druzy has characteristics, such as crystal size, luster, and color.