concrete fixes

recipes/silica-matter.lua

@@ -0,0 +1,14 @@
+if mods["Krastorio2"] then
+local matter = require("__Krastorio2__/lib/public/data-stages/matter-util")
+local silica_matter = 
+  {
+    item_name = "silica",
+    minimum_conversion_quantity = 10,
+    matter_value = .65,
+    energy_required = 2,
+    only_deconversion = false,
+    need_stabilizer = false,
+    unlocked_by_technology = "kr-matter-stone-processing"
+  }
+matter.createMatterRecipe(silica_matter)
+end