diff --git a/bzgold2/data-util.lua b/bzgold2/data-util.lua
index 3825ac6..8c0697f 100644
--- a/bzgold2/data-util.lua
+++ b/bzgold2/data-util.lua
@@ -115,12 +115,12 @@ end
 function util.k2matter(params)
   local matter = require("__Krastorio2__/prototypes/libraries/matter")
   if mods["space-exploration"] then 
-    params.k2matter.need_stabilizer = true
+    params.k2matter.needs_stabilizer = true
   end
   if not params.k2matter.minimum_conversion_quantity then
     params.k2matter.minimum_conversion_quantity = 10
   end
-  if not data.raw.technology[params.k2matter.unlocked_by_technology] then
+  if not data.raw.technology[params.k2matter.unlocked_by] then
     local icon = ""
     if params.k2baseicon then
       icon = util.k2assets().."/technologies/matter-"..params.k2baseicon..".png"
@@ -132,7 +132,7 @@ function util.k2matter(params)
         {
           {
             type = "technology",
-            name = params.k2matter.unlocked_by_technology,
+            name = params.k2matter.unlocked_by,
             icons =
             {
               {
@@ -163,11 +163,16 @@ function util.k2matter(params)
               },
               time = 45,
             },
-            localised_name = {"technology-name.k2-conversion", {"item-name."..params.k2matter.item_name}},
+            effects = {},
+            -- localised_name = {"technology-name.k2-conversion", {"item-name."..params.k2matter.item_name}},
           },
         })
   end
-  matter.make_recipes(params.k2matter)
+  if params.k2matter.only_deconversion then
+    matter.make_deconversion_recipe(params.k2matter)
+  else
+    matter.make_recipes(params.k2matter)
+  end
 end
 
 
diff --git a/bzgold2/matter.lua b/bzgold2/matter.lua
index 10ea30c..728e9da 100644
--- a/bzgold2/matter.lua
+++ b/bzgold2/matter.lua
@@ -1,30 +1,31 @@
 -- Matter recipes for Krastorio2
 if mods["Krastorio2"] then
-  local util = require("data-util");
+  local util = require("data-util")
 
-  util.k2matter({
-    k2matter = {
-      material = { type = "item", name = "gold-ore", amount = 30 },
-      item_name = "gold-ore",
-      matter_count = 30,
-      energy_required = 10,
-      need_stabilizer = false,
-      unlocked_by_technology = "gold-matter-processing",
-    },
-    k2baseicon = "stone",
-    icon = {icon = "__bzgold2__/graphics/icons/gold-ore.png", icon_size = 128, scale = 1}
-  })
-
-  util.k2matter({
-    k2matter = {
-      material = { type = "item", name = "silver-ore", amount = 8 },
-      item_name = "silver-ore",
-      matter_count = 8,
-      energy_required = 5,
-      need_stabilizer = false,
-      unlocked_by_technology = "silver-matter-processing",
-    },
-    k2baseicon = "stone",
-    icon = {icon = "__bzgold2__/graphics/icons/silver-ore.png", icon_size = 128, scale = 1}
-  })
+  if not data.raw.recipe["kr-gold-ore-to-matter"] then
+    util.k2matter({
+      k2matter = {
+        material = { type = "item", name = "gold-ore", amount = 30 },
+        item_name = "gold-ore",
+        matter_count = 30,
+        energy_required = 10,
+        needs_stabilizer = false,
+        unlocked_by = "gold-matter-processing",
+      },
+      icon = { icon = "__bzgold2__/graphics/icons/gold-ore.png", icon_size = 128, scale = 0.5 },
+    })
+  end
+  if settings.startup["bzgold-silver"].value then
+    util.k2matter({
+      k2matter = {
+        material = { type = "item", name = "silver-ore", amount = 8 },
+        item_name = "silver-ore",
+        matter_count = 8,
+        energy_required = 5,
+        needs_stabilizer = false,
+        unlocked_by = "silver-matter-processing",
+      },
+      icon = { icon = "__bzgold2__/graphics/icons/silver-ore.png", icon_size = 128, scale = 0.5 },
+    })
+  end
 end
diff --git a/bzgold2/prototypes/enriched-gold.lua b/bzgold2/prototypes/enriched-gold.lua
index 6190f58..a8d9734 100644
--- a/bzgold2/prototypes/enriched-gold.lua
+++ b/bzgold2/prototypes/enriched-gold.lua
@@ -1,4 +1,4 @@
-local util = require("data-util");
+local util = require("data-util")
 
 if mods.Krastorio2 then
 
@@ -92,7 +92,7 @@ data:extend({
 			{
 				icon = data.raw.item["gold-ore"].icon,
 				icon_size =	data.raw.item["gold-ore"].icon_size,
-				scale = 0.2,
+				scale = 0.2 * 64 / (data.raw.item["gold-ore"].icon_size or 64),
 				shift = {0, 4}
 			}
 		},
diff --git a/bzgold2/prototypes/enriched-silver.lua b/bzgold2/prototypes/enriched-silver.lua
index c5a8495..0914e19 100644
--- a/bzgold2/prototypes/enriched-silver.lua
+++ b/bzgold2/prototypes/enriched-silver.lua
@@ -1,4 +1,4 @@
-local util = require("data-util");
+local util = require("data-util")
 
 if mods.Krastorio2 and util.me.silver() then
 data:extend({
@@ -111,7 +111,7 @@ data:extend({
 			{
 				icon = data.raw.item["silver-ore"].icon,
 				icon_size =	data.raw.item["silver-ore"].icon_size,
-				scale = 0.2,
+				scale = 0.2 * 64 / (data.raw.item["silver-ore"].icon_size or 64),
 				shift = {0, 4}
 			}
 		},