Once it is determined that a wheelchair chest harness can be beneficial, consider the following points on safety first: Use the chest harness in conjunction with a lap belt or seat belt that is firmly fastened at all times.
Drusy (or druzy) is a geological term applied to quartz that forms a layer of closely spaced, small crystals that line a surface or cavity of another kind of rock.ave. GreenSeason/iStock/Getty Images. Drusy (or druzy) is a geological term applied to quartz that forms a layer of closely spaced, small crystals that line a surface or cavity of another kind of rock. Drusy quartz, silicon dioxide, is most commonly clear or whitish, and can resemble glittering sugar or snow crystals.
Rainbow pyrite is one of the many types of druzy gemstones. By far, the most common druzies are quartz varieties, such as agate and amethyst druzy. Other rarer varieties of druzy, include (but are not limited to) garnet druzy, rainbow hematite druzy, chrysocolla druzy, calcite druzy, and azurite druzy.