diff --git a/dfhack/include/modules/Creatures.h b/dfhack/include/modules/Creatures.h
index 77f341e56..910d7ff18 100644
--- a/dfhack/include/modules/Creatures.h
+++ b/dfhack/include/modules/Creatures.h
@@ -265,6 +265,7 @@ namespace DFHack
         int16_t typeA;
         int16_t typeB;
         int16_t typeC;
+        int32_t typeD;
 	uint32_t flags;
     };
     struct t_job
diff --git a/dfhack/modules/Creatures.cpp b/dfhack/modules/Creatures.cpp
index 5924680a9..68376f2dd 100644
--- a/dfhack/modules/Creatures.cpp
+++ b/dfhack/modules/Creatures.cpp
@@ -375,6 +375,7 @@ bool Creatures::ReadJob(const t_creature * furball, vector<t_material> & mat)
         mat[i].typeA = p->readWord(cmats[i] + minfo->getOffset("job_material_maintype"));
         mat[i].typeB = p->readWord(cmats[i] + minfo->getOffset("job_material_sectype1"));
         mat[i].typeC = p->readWord(cmats[i] + minfo->getOffset("job_material_sectype2"));
+        mat[i].typeD = p->readDWord(cmats[i] + minfo->getOffset("job_material_sectype3"));
         mat[i].flags = p->readDWord(cmats[i] + minfo->getOffset("job_material_flags"));
     }
     return true;
diff --git a/examples/creaturedump.cpp b/examples/creaturedump.cpp
index 51fe9b40f..9a5dbf72e 100644
--- a/examples/creaturedump.cpp
+++ b/examples/creaturedump.cpp
@@ -262,7 +262,13 @@ void printCreature(DFHack::API & DF, const DFHack::t_creature & creature)
 						maintype = (char*)"block";
 						break;
 					case 3:
-						maintype = (char*)"rough gem/glass";
+						switch(mat[i].typeC)
+						{
+							case 3: maintype = (char*)"raw green glass"; break;
+							case 4: maintype = (char*)"raw clear glass"; break;
+							case 5: maintype = (char*)"raw crystal glass"; break;
+							default: maintype = (char*)"raw gems"; break;
+						}
 						break;
 					case 4:
 						maintype = (char*)"raw stone";
@@ -270,6 +276,9 @@ void printCreature(DFHack::API & DF, const DFHack::t_creature & creature)
 					case 5:
 						maintype = (char*)"wood log";
 						break;
+					case 24:
+						maintype = (char*)"weapon?";
+						break;
 					case 54:
 						maintype = (char*)"leather";
 						break;
@@ -280,7 +289,7 @@ void printCreature(DFHack::API & DF, const DFHack::t_creature & creature)
 						maintype = (char*)"unknown";
 						break;
 				}
-				printf("\t%s(%d)\t%d %d - %.8x\n", maintype, mat[i].typeA, mat[i].typeB, mat[i].typeC, mat[i].flags);
+				printf("\t%s(%d)\t%d %d %d - %.8x\n", maintype, mat[i].typeA, mat[i].typeB, mat[i].typeC, mat[i].typeD, mat[i].flags);
 			}
 		}
 	}
diff --git a/output/Memory.xml b/output/Memory.xml
index e2079a315..f6698bd11 100755
--- a/output/Memory.xml
+++ b/output/Memory.xml
@@ -1429,6 +1429,7 @@ map_data_1b60_offset          0x1B9c
 	<Offset name="job_material_maintype">0x0</Offset> like mood materials, 0=bars, 4=stone, 5=wood, 57=cloth, 54=leather ...
 	<Offset name="job_material_sectype1">0x2</Offset> always -1
 	<Offset name="job_material_sectype2">0x4</Offset> subtype ?
+	<Offset name="job_material_sectype3">0x8</Offset> subtype ?
 	<Offset name="job_material_flags">0x18</Offset> set only for shell / bone mood requirements ?
         
         Materials