diff --git a/src/main/java/gregtech/loaders/oreprocessing/ProcessingCrushedOre.java b/src/main/java/gregtech/loaders/oreprocessing/ProcessingCrushedOre.java
index 8025c922..6028966e 100644
--- a/src/main/java/gregtech/loaders/oreprocessing/ProcessingCrushedOre.java
+++ b/src/main/java/gregtech/loaders/oreprocessing/ProcessingCrushedOre.java
@@ -24,13 +24,14 @@ public class ProcessingCrushedOre implements gregtech.api.interfaces.IOreRecipeR
 				GT_ModHandler.addThermalCentrifugeRecipe(GT_Utility.copyAmount(1L, new Object[]{aStack}), (int) Math.min(5000L, Math.abs(aMaterial.getMass() * 20L)), new Object[]{GT_OreDictUnificator.get(OrePrefixes.crushedCentrifuged, aMaterial.mMacerateInto, GT_OreDictUnificator.get(OrePrefixes.dust, aMaterial.mMacerateInto, 1L), 1L), GT_OreDictUnificator.get(OrePrefixes.dustTiny, GT_Utility.selectItemInList(1, aMaterial.mMacerateInto, aMaterial.mOreByProducts), 1L)});
 
 				ItemStack tGem = GT_OreDictUnificator.get(OrePrefixes.gem, aMaterial, 1L);
+				if(tGem!=null){
 				switch (aMaterial.mName) {
 					case "Tanzanite": case "Sapphire": case "Olivine": case "GreenSapphire": case "Opal": case "Amethyst": case "Emerald": case "Ruby":
 					case "Amber": case "Diamond": case "FoolsRuby": case "BlueTopaz": case "GarnetRed": case "Topaz": case "Jasper": case "GarnetYellow":
 						GT_Values.RA.addSifterRecipe(GT_Utility.copyAmount(1L, new Object[]{aStack}), new ItemStack[]{GT_OreDictUnificator.get(OrePrefixes.gemExquisite, aMaterial, tGem, 1L), GT_OreDictUnificator.get(OrePrefixes.gemFlawless, aMaterial, tGem, 1L), tGem, GT_OreDictUnificator.get(OrePrefixes.gemFlawed, aMaterial, tGem, 1L), GT_OreDictUnificator.get(OrePrefixes.gemChipped, aMaterial, tGem, 1L), GT_OreDictUnificator.get(OrePrefixes.dust, aMaterial, tGem, 1L)}, new int[]{300, 1200, 4500, 1400, 2800, 3500}, 800, 16);
 					default:
 						GT_Values.RA.addSifterRecipe(GT_Utility.copyAmount(1L, new Object[]{aStack}), new ItemStack[]{GT_OreDictUnificator.get(OrePrefixes.gemExquisite, aMaterial, tGem, 1L), GT_OreDictUnificator.get(OrePrefixes.gemFlawless, aMaterial, tGem, 1L), tGem, GT_OreDictUnificator.get(OrePrefixes.gemFlawed, aMaterial, tGem, 1L), GT_OreDictUnificator.get(OrePrefixes.gemChipped, aMaterial, tGem, 1L), GT_OreDictUnificator.get(OrePrefixes.dust, aMaterial, tGem, 1L)}, new int[]{100, 400, 1500, 2000, 4000, 5000}, 800, 16);
-				}
+				}}
 				break;
 		}
 	}