diff --git a/kubejs/server_scripts/tfg/ores_and_materials/recipes.gem_slurries.js b/kubejs/server_scripts/tfg/ores_and_materials/recipes.gem_slurries.js
index 51fe44e6a..69d076203 100644
--- a/kubejs/server_scripts/tfg/ores_and_materials/recipes.gem_slurries.js
+++ b/kubejs/server_scripts/tfg/ores_and_materials/recipes.gem_slurries.js
@@ -125,9 +125,10 @@ function registerTFGGemSlurriesProcessing(event) {
         ['andradite',       4000,   2000,     500,   [['gtceu:calcium_dust', 3*1.5], ['gtceu:iron_dust', 2*1.5], ['gtceu:silicon_dust', 3*1.5]],                                     [['gtceu:oxygen', 12000*1.5]],                                                           []],
         ['lazurite',        4000,   2000,     500,   [['gtceu:aluminium_dust', 3*2], ['gtceu:silicon_dust', 3*2], ['gtceu:calcium_dust', 4*2], ['gtceu:sodium_dust', 4*2]],          [],                                                                                      []],
         ['malachite',       4000,   2000,     500,   [['gtceu:copper_dust', 2*3], ['gtceu:carbon_dust', 1*3]],                                                                       [['gtceu:hydrogen', 2000*3], ['gtceu:oxygen', 5000*3]],                                  []],
-        ['spessartine',     4000,   2000,     500,   [['gtceu:aluminium_dust', 2*1.5], ['gtceu:manganese_dust', 3*1.5], ['gtceu:silicon_dust', 3*1.5]],                              [['gtceu:oxygen', 12000*1.5]],                                                           []],
-        ['yellow_garnet',   4000,   2000,     500,   [['gtceu:andradite_dust', 5*2], ['gtceu:grossular_dust', 8*2], ['gtceu:uvarovite_dust', 3*2]],                                  [],                                                                                      []],
         ['grossular',       4000,   2000,     500,   [['gtceu:calcium_dust', 3*1.5], ['gtceu:aluminium_dust', 2*1.5], ['gtceu:silicon_dust',3*1.5]],                                 [['gtceu:oxygen', 12000*1.5]],                                                           []],
+        ['spessartine',     4000,   2000,     500,   [['gtceu:aluminium_dust', 2*1.5], ['gtceu:manganese_dust', 3*1.5], ['gtceu:silicon_dust', 3*1.5]],                              [['gtceu:oxygen', 12000*1.5]],                                                           []],
+        ['opal',            4000,   2000,     500,   [['gtceu:silicon_dioxide_dust', 1*30], ['tfc:powder/kaolinite', 1]],                                                            [],                                                                                      []],
+        ['yellow_garnet',   4000,   2000,     500,   [['gtceu:andradite_dust', 5*2], ['gtceu:grossular_dust', 8*2], ['gtceu:uvarovite_dust', 3*2]],                                  [],                                                                                      []],
         ['armalcolite',     4000,   2000,     500,   [['gtceu:magnesium_dust', 1*7.5], ['gtceu:ilmenite_dust', 1*7.5]],                                                              [['gtceu:oxygen', 2000*7.5]],                                                            []],
         //['',     4000,   2000,     500,   [['', ], ['', ], ['',]],  [['', ]],      []],
     ];