Amethyst geodes that do have streams have one or two, and said streams are made of calcite. Your geode has at least 4 streams, and they appear to be quartz. No geologist could tell you how metal-laden crystal could have seeped into most of the geode, leaving only the streams as rock quartz (clear quartz).

Her color is medium. Point size is small, almost druzy, resulting in many sparkles. Her wall size is medium because of unique bands, as you can see in the photos. Her base is medium.

Weight is 38.6 pounds. Size is 24 1/2 x 7 1/2 x 5 inches.