Quartz is a richly featured, open source job scheduling library that can be integrated within virtually any Java application - from the smallest stand-alone application to the largest e-commerce ...

Quartz crystals were valued by the ancient Egyptians as talismans with powers to prevent aging. - Bob Kammerling Rose quartz beads dating back to 7000 BC have been found in the area once known as ...

This faceted rose quartz briolette weighs 18.29 carats. Its pastel color is a lovely example of the soft pink this gem is known for. - Robert Weldon, courtesy The Greenwood Group The soft translucence ...