The name means "spotted stone", and is derived ultimately from the Persian yashp. Jasper can appear in many guises due to mineral impurities. These may take the form of banding or patterns which give rise to varieties such as leopardskin jasper and picture jasper. Jasper is the gemstone of the Rooster from the Chinese Zodiac.
Jasper is one gemstone given to mark 9 years of marriage. Lapiz Lazuli is the alternative for 9th wedding anniversaries.