March 2026: We are doing major upgrades to code here, please be patient regarding any issues. If any page is not working for a period of hours, please contact us. Thank you.

Monthly Tech-Tip from Tony Hansen SignUp

Feb 14-15, 2026 - Major Server Upgrade Done

No tracking! No ads!

Materials for Ceramics

1-9 | A | B | C | D | E | F | Frits | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Ocmulgee Red Clay

Description: HIGH IRON CLAY

Oxide	Analysis	Formula
CaO	0.37%	0.03
K2O	1.29%	0.06
MgO	0.79%	0.09
Na2O	0.36%	0.03
TiO2	1.20%	0.07
Al2O3	21.80%	1.00
SiO2	53.90%	4.20
Fe2O3	6.40%	0.19
MnO	0.23%	0.02
LOI	13.70%	n/a
Oxide Weight		403.98
Formula Weight		468.11

Notes

A sandy, coarse, iron bearing sedimentary clay. Used in brick and pipe manufacture.
No longer available.
Sheffield-pottery.com replaces this with their own Sheffield clay claiming greater dependability.

Related Information

Links

Typecodes	Clay Other Clays that are not kaolins, ball clays or bentonites. For example, stoneware clays are mixtures of all of the above plus quartz, feldspar, mica and other minerals. There are also many clays that have high plasticity like bentonite but are much different mineralogically.
Materials	Lizella Clay

By Tony Hansen
Follow me on

Got a Question?

Buy me a coffee and we can talk