Agates from south Sumatra are offered since 2009. They are showing on the inside fine banding and partly quite intensive yellow, brown and red tones. Sometimes nicely formed mossy -like agate-structure is showing up. They are found in small creeks, that are flowing trough a region of calcareous hostrock. According to Joel Ivey, the Finder of these agate occurrences, these sedimentary rocks are probably the place of origin of these agates.
more informations about these agates are given at http://www.indoagate.com/agate.html