Imbuement Altar (ebwizardry:imbuement_altar - 4423:0) has a TileEntity
Full block state: ebwizardry:imbuement_altar[active=false]
Hardness: -1.0000, Explosion resistance: 3600000.0000, Material: ROCK
Block class: electroblob.wizardry.block.BlockImbuementAltar
IBlockState properties, including getActualState():
PropertyBool{name=active, clazz=class java.lang.Boolean, values=[true, false]}: false
TileEntity class: electroblob.wizardry.tileentity.TileEntityImbuementAltar

TileEntity NBT (from TileEntity#writeToNBT()):
TAG_Compound (10) ('')
{
    TAG_Compound (10) ('item')
    {
        TAG_String (8) ('id'): "minecraft:air"
        TAG_Byte (1) ('Count'): 1
        TAG_Short (2) ('Damage'): 0
    }
    TAG_Compound (10) ('ForgeData')
    {
    }
    TAG_Int (3) ('imbuementTimer'): 0
    TAG_Int (3) ('x'): -346
    TAG_Int (3) ('y'): 144
    TAG_Int (3) ('z'): 0
    TAG_String (8) ('id'): "ebwizardry:imbuement_altar"
}
