/**Donc les blocs "bugués" sont ceux qui suivent ce modèle*/

/**Dans mon ModID.java*/

 public static final Block BlockBeton = new BlockBeton(2000, Material.rock).setHardness(2.0F).setResistance(4.0F).setUnlocalizedName("BlockBeton");

//--------------------------------------------------------------

/**Voici la classe BlockBeton */

package ageOfDoom.common;

import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.client.renderer.texture.IconRegister;
import net.minecraft.creativetab.CreativeTabs;

public class BlockBeton extends Block {

	public BlockBeton(int par1, Material par2Material) {
		super(2000, Material.rock);
		this.setCreativeTab(CreativeTabs.tabBlock);
	}
    public void registerIcons(IconRegister iconregister)
    {
    	   blockIcon = iconregister.registerIcon("AgeofDoom:BlockBeton");
    }
}