Another set of block tiles for your comments ......
Siltstone 1-5 Shale 1-5 Serpentine 1-5
Selenite 1-5 Schist 1-5 Satinspar 1-5
Samarskite 1-5 Rutile 1-5
This is the way they are set up bottom row (left to right) block1, block2, block3, block4, block5 and top row
(left to right)...