This is an add-on that has the function of Adding New Ores to Your Game such as Cooper, Can, Platinum, Aluminum among others, With These Ores you can Create Swords, for greater experience in the alternative mode.
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Changelog
This Addon Will Have Updates With More Mining That's why its spawning sites are so high, as it will see many strong miners in the future, I hope you enjoy this new survival experience with so desired minerals in your world, I am hearing suggestions in the comments below, any bug report in the comments.
put the perods in
p.s. ur welcom :)