@@ -297,9 +297,9 @@
 			{affinity={'counterpraxic'}, confluence = 0.4};
 		};
 	};
 	impervium = {
-		tone = {226,255,107}, alpha = 90;
+		tone = {255,90,164}, alpha = 90;
 		cooktime = 260;
 		meltpoint = 5;
 		artificial = true;
 		speed = 2.8;
@@ -393,9 +393,9 @@
 			{affinity={'praxic'},confluence=3};
 			{affinity={'syncretic'},confluence=2};
 		};
 		sinter = {
-			'lithium'; 'aluminum'; 'iridium';
+			'lithium'; 'aluminum'; 'aluminum'; 'iridium';
 		};
 		sinter_catalyst = { 'sorcery:oil_flame' };
 	};
 	tyrannium = {