science Rock Cycle - When picking rocks for hardscapes use Metamorphic rock, especially with water (so it doesn't leach anything into water) also important to know what type of rockscape animals may have evolved in.
chrysodrusy Sparkling specimen of Quartz drusy over Chysocolla! The specimen is perfectly centered and unblemished with a dazzling flash under any lighting. From the Ray Mine, Mineral Creek District, Pinal County, Arizona. Measures 6 cm by cm in size