| Colorless quartz crystals lining geodes have also been found at approximately 300 feet below the trail at the South Overlook locality. |
| In some geodes, the brown calcite is completely hidden by clear calcite secondary growth. |
| Some visitors gather around the sparkling amethyst geodes or the shining pyrite crystals. |
| Two adjacent geodes from the same piece of shale could be cracked open, and one would be lined with brown calcite, the other with quartz. |
| It's centered around this hill with all these geodes, and a stone archway at the top. |
| Mordenite lines most of the geodes as the typical fine hairlike crystals of the species. |
