I wrote some files to make this mod compatible with Nature's Spirit mod. Please consider adding these compatibility features into your mod. (Incidentally, I added the Japanese translation for my own personal use, so please delete it if you find it annoying.)

brown_kaolin.json
chert.json
kaolin.json
light_gray_kaolin.json
pink_sandstone.json
travertine.json
white_chalk.json
white_kaolin.json
yellow_kaolin.json

If you add these, you will also need to insert these new ore variants.

・Chert Coal Ore
"natures_spirit:chert_coal_ore": "excavated_variants:natures_spirit/chert"
・Chert Copper Ore
"natures_spirit:chert_copper_ore": "excavated_variants:natures_spirit/chert"
・Chert Diamond Ore
"natures_spirit:chert_diamond_ore": "excavated_variants:natures_spirit/chert"
・Chert Emerald Ore
"natures_spirit:chert_emerald_ore": "excavated_variants:natures_spirit/chert"
・Chert Gold Ore
"natures_spirit:chert_gold_ore": "excavated_variants:natures_spirit/chert"
・Chert Iron Ore
"natures_spirit:chert_iron_ore": "excavated_variants:natures_spirit/chert"
・Chert Lapis Lazuli Ore
"natures_spirit:chert_lapis_ore": "excavated_variants:natures_spirit/chert"
・Chert Redstone Ore
"natures_spirit:chert_redstone_ore": "excavated_variants:natures_spirit/chert"