Stone Dusts
Various stone dusts - Bath, Portland, Ham, Hornton Brown, Shaftesbury Green and chalk - are crushed and sieved and supplied in various grades.

Chalk
Lincolnshire chalk dried, crushed and sieved and supplied <5mm & <1.18mm

Bath
Oolitic limestone dried, crushed and sieved and supplied <2.36mm, <1.18mm and <600µm

Shaftesbury Green
Hurdcott green sandstone dried, crushed and sieved and supplied <2.36mm and <1.18mm

Hornton Brown
Dark reddish-brown iron-rich Jurassic Oxfordshire limestone dried, crushed, sieved & supplied <2.36mm & <1.18mm

Hamstone
Orange-yellow Jurassic Somerset limestone dried, crushed, sieved and supplied <2.36mm and <1.18mm

Portland
Portland limestone dried, crushed and sieved and supplied <2.36mm, <1.18mm and <600µm