diff --git a/armour/mail/leather_ar.arc b/armour/mail/leather_ar.arc
index 27df2fc03..b2b65e174 100644
--- a/armour/mail/leather_ar.arc
+++ b/armour/mail/leather_ar.arc
@@ -11,6 +11,7 @@ resist_physical 10
 weight 20000
 value 40
 material 8
+materialname leather
 editable 1024
 magicmap brown
 body_torso -1
diff --git a/inorganic/lead.arc b/inorganic/lead.arc
index 84e43ae67..0994cff72 100644
--- a/inorganic/lead.arc
+++ b/inorganic/lead.arc
@@ -3,10 +3,9 @@ face lead.111
 material 2
 value 100
 resist_magic 30
-
 type 73
 resist_acid 100
-
+materialname lead
 weight 5000
 editable 2048
 nrof 1
diff --git a/inorganic/stone.arc b/inorganic/stone.arc
index 12b76c24b..c1b67143d 100644
--- a/inorganic/stone.arc
+++ b/inorganic/stone.arc
@@ -1,10 +1,9 @@
 Object river_stone
 name river stone
 face lstone.111
-material 2
+material 64
 value 1
 resist_acid 100
-
 type 73
 weight 800
 editable 2048
@@ -16,10 +15,9 @@ end
 Object mountain_stone
 name mountain stone
 face lstone.111
-material 2
+material 64
 value 1
 resist_acid 100
-
 type 73
 weight 800
 editable 2048
@@ -30,10 +28,9 @@ end
 Object field_stone
 name stone
 face lstone.111
-material 2
+material 64
 value 1
 resist_acid 100
-
 type 73
 weight 800
 editable 2048
diff --git a/inorganic/true_lead.arc b/inorganic/true_lead.arc
index 548eff1f5..baa7c9757 100644
--- a/inorganic/true_lead.arc
+++ b/inorganic/true_lead.arc
@@ -6,7 +6,7 @@ material 2
 value 530
 resist_fire 100
 resist_acid 100
-
+materialname lead
 type 73
 nrof 1
 weight 5000
diff --git a/jewel/goldcoin.arc b/jewel/goldcoin.arc
index 46ddc124f..881c880d7 100644
--- a/jewel/goldcoin.arc
+++ b/jewel/goldcoin.arc
@@ -6,6 +6,7 @@ color_fg yellow
 nrof 1
 type 36
 material 2
+materialname gold
 value 10
 weight 10
 editable 2048
diff --git a/jewel/mithril.arc b/jewel/mithril.arc
index 0e9d2acf0..24c8b086a 100644
--- a/jewel/mithril.arc
+++ b/jewel/mithril.arc
@@ -13,7 +13,8 @@ nrof 1
 speed 0.2
 value 800
 weight 50
-material 64
+material 2
+materialname mithril
 editable 2048
 identified 1
 magicmap grey
diff --git a/jewel/nugget_huge.arc b/jewel/nugget_huge.arc
index e2bde2177..edbb963aa 100644
--- a/jewel/nugget_huge.arc
+++ b/jewel/nugget_huge.arc
@@ -4,6 +4,7 @@ race gold and jewels
 face nugget_huge.111
 nrof 1
 material 2
+materialname gold
 color_fg orange
 value 177777
 weight 700000000
diff --git a/jewel/nugget_lar.arc b/jewel/nugget_lar.arc
index 3276337ac..f8ddf06ee 100644
--- a/jewel/nugget_lar.arc
+++ b/jewel/nugget_lar.arc
@@ -5,6 +5,7 @@ face nugget_lar.111
 color_fg orange
 nrof 1
 material 2
+materialname gold
 value 100
 weight 180
 editable 2048
diff --git a/jewel/nugget_sma.arc b/jewel/nugget_sma.arc
index f44238f71..51700ffcb 100644
--- a/jewel/nugget_sma.arc
+++ b/jewel/nugget_sma.arc
@@ -5,6 +5,7 @@ face nugget_sma.111
 color_fg orange
 nrof 1
 material 2
+materialname gold
 value 10
 weight 20
 editable 2048
diff --git a/jewel/plt_coin.arc b/jewel/plt_coin.arc
index 34e839310..7a6f8bb98 100644
--- a/jewel/plt_coin.arc
+++ b/jewel/plt_coin.arc
@@ -6,6 +6,7 @@ color_fg grey
 nrof 1
 type 36
 material 2
+materialname platinum
 value 50
 weight 10
 editable 2048
diff --git a/jewel/silvercoin.arc b/jewel/silvercoin.arc
index 6816f3dc1..386cce9cb 100644
--- a/jewel/silvercoin.arc
+++ b/jewel/silvercoin.arc
@@ -6,6 +6,7 @@ color_fg grey
 nrof 1
 type 36
 material 2
+materialname silver
 value 1
 weight 10
 editable 2048