Cube

Commercial adobe cubes from New Mexico, USA.

Several brick tiles of about 8.25 x 4 x 0.25 inches

Serpentine stone

Sandstone fragments with alveolar deterioration

Brick coupons with varying degrees of salts.

A polished cube of Egyptian limestone in the color “Moon,” most likely quarried in the Al Minya region.

A polished cube of Egyptian limestone in the color “Moon,” most likely quarried in the Al Minya region.

A polished cube of Egyptian limestone in the color “Moon,” most likely quarried in the Al Minya region.

A polished cube of Egyptian limestone in the color “Moon,” most likely quarried in the Al Minya region.

A cube like shaped fossiliferous limestone from Texas

Mechanical pinning on marble cubes.

A polished cube of Makato dolomitic limestone, also known as Kasota limestone or Kasota stone

A polished cube of Makato dolomitic limestone, also known as Kasota limestone or Kasota stone

A cube of limestone, possibly from Texas

A polished cube of Makato dolomitic limestone, also known as Kasota limestone or Kasota stone