Clay Specifications – Feeneys

All Feeneys Clays are hammer milled.

NameManufacturer CodeCodeTextureShrinkage
(wet to dry)
Shrinkage
(dry to fired)
UsesFired Colour (Oxidised)Fired Colour (Reduction)Vitrified Temp (ºC) <2%
Terra CottaTCAR1
46.02.5 1080a,b,eRich Terra CottaNANA
Hand BuildingHBAR643.72.2 1080
4.8 1250
5.3 1300
a,c,e,fOff WhiteLight Grey Mottle>1320
Red RakuRRAR752.80.9 1080a,c,e,fRed Terra Cotta NA>1320
Buff Raku SandyBRSAR852.30.6 1080
2.0 1250
2.3 1300
a,c,e,fCream Pink/BuffWarm buff/brown mottle
with small iron spots
>1320
Buff Raku TrachyteBRTAR952.21.0 1080
3.8 1250
4.0 1300
a,c,e,fDark speckled
mottle
Dark brown
mottles with iron blebs
>1350
Red MidfireRMAR2346.21.9 1080
3.2 1240
a,c,eRed terra cottaNA>1350
White School ClayWSCAR22143.20.8 1080
10.3 1250
11.0 1300
a,c,eOff WhiteLight grey beige
mottle
1280
RakuRAR24061.51.1 1080
3.6 1250
4.4 1300
a,c,e,fCream/buff mottle
Buff mottle with iron
blebs
Brown mottle with iron
blebs
>1350
White Raku
WRAR242
42.00.6 1080
4.3 1250
4.9 1300
a,c,e,fOff white
Cream mottle
Dappled grey cream>1320
Raku GoldRGAR24446.52.5 1080
5.7 1250
6.3 1300
a,c,e,fBuff cream mottle
Golden buff
Buff mottle
Golden brown mottle with
small iron blebs
>1320
Hand Building Terra CottaHBTCAR33054.61.6 1080a,eRich Red Terra CottaNANA
Feeneys Fine BlendFFBAR50043.72.1 1080
8.2 1220
8.5 1280
a,b,c,eWhite mottle
Off white mottle
Off white mottle
Light grey beige
with some specks
1250
Buff StonewareBSWAR52543.16.7 1280a,b,c,eLight cream
buff mottle
Toasted buff/brown
mottle
1330
Dark StonewareDSWAR55646.55.7 1280a,b,c,eGrey brown with
salt & pepper speckle
Warm brown with
Salt & pepper speckle
1260
Red StonewareRSWAR55946.55.6 1280a,b,c,eSage grey with
Buff grain
Rich warm red/brown
with buff grain
1260


Terra Cotta Paper Clay
TCPCAGR1PC46.02.5 1080a,b,eRich Terra CottaNANA
White Raku Paper ClayWRPCAGR242PC42.00.6 1080
4.3 1250
4.9 1300
a,c,e,fOff white
Cream mottle
Dappled grey cream>1320
T = Texture Suggested Uses
1 – Extremely smooth a = General, throwing, hand building, coiling & thin walled wire
2 – Very Smooth b = General production domestic ware & detailed work
3 – Smooth c = Large pots & decorative plates
4 – Medium d = Casting
5 – Medium to course e = Hand building especially large ware, sculpting, slab work & tiles
6 – Very course f = Raku, black ware, burnishing & wood firing