Terra Stone is a baked clay product crushed and screened to sizes between 5/8" and 1 1/4" with virtually all fines and dust removed.

1" Terra Stone
Source:Canada
Type:Crushed Clay Brick
Typical Weight (pounds per cubic yard):1900
Sizes:5/8" - 1 1/4"
Bulk:Yes
Super Sac:Yes
Bag:1/2 cu. ft.
AKA:Spanish Tile