Thread:Gen. Grievous1138/@comment-25330335-20160209134031/@comment-25101690-20160209135520

To adress a specific block, you need a metavalue. Metavalues range from 0 to 15 for any block (but not all values are used for every block). I'm not sure what's the best way to find them, but I think we have a wiki article or blog with all of them soemwhere. But here are the subtypes of : But that are not all brick types. The mod also uses  up to.
 * 1) mordor
 * 2) gondor
 * 3) gondorMossy
 * 4) gondorCracked
 * 5) rohan
 * 6) gondorCarved
 * 7) dwarven
 * 8) mordorCracked
 * 9) dwarvenSilver
 * 10) dwarvenGold
 * 11) dwarvenMithril
 * 12) galadhrim
 * 13) galadhrimMossy
 * 14) galadhrimCracked
 * 15) blueRock
 * 16) nearHarad