Alphabetical Index (M)

Madreperla
MAGNESIAN LIMESTONE
MAJOLICA
Malm (Brick)
Malm (Stone)
MALMSTONE
MAN MADE MATERIAL
Mansfield Stone
Mansfield Woodhouse Stone
MARBLE
MARL
MARLSTONE
Marmo
MATERIAL <BY FORM>
MATHEMATICAL TILE
Matlock Stone
Medium Board
Medium Density Fibreboard
Membury Stone
Merstham Stone
METAL
Metamorphic Stone
Midhurst Stone
Mill Hill Slate
Millstone Grit
MINERAL
Monks Park Stone
Moolham Stone
MOORSTONE
MORTAR
Mosaic
Moss Rigg Slate
Moulton Stone
Mount Sorrel Granite
MOUNTSORREL GRANITE
Mountsorrel Stone
MUD
Mudstone
Muscovite Granite