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This polished pair of Fishhook Thundereggs features reddish brown rhyolite with a partially open center revealing thin bands of chalcedony and crystal coating. Areas of the open center show fluorescence under UV light (picture shows the piece under 365nm).
Dimensions:
5.5" x 3.5" and 5.25" x 3.5" polished surface
3" and 2.5" deep
2lb 2.7oz and 1lb 8.5oz
Fishhook Thundereggs come from the Little Florida Mountains near Deming, New Mexico. These rhyolitic thundereggs can be partially hollow or completely filled. Quartz, calcite, chalcedony, and seams of faintly banded agate can all be found inside, along with yellow and red staining.