Thank you for reporting. V1.2 requires a little update for the crystals that appear in the biomes. I'll start the update process and post again once it's complete.
Since Version 1.2 I get red error messages for the mod "power things".
2024-12-15T19:08:03 56.967 ERR XML loader: Loading and parsing 'spawning.xml' failed
2024-12-15T19:08:03 56.970 EXC Duplicate id hash '' in biome 'burnt_forest'
Power Things has been updated to V1.2 and the warning message will no longer appear. Crystals will be found in the Burnt Forest and Wasteland as intended. Thanks for reporting.