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cone 6 chit chat results (long)

updated tue 30 apr 96

 

Louise Jenks on sat 20 apr 96

To those of you who fire ^6, I have tested several glazes found in the past
several weeks on Clayart. I fire in an electric kiln with a kiln sitter and
used the following recipes on brownish stoneware :
PIKE'S OATMEAL (purple)
CUSTER FELDSPAR 37.3
GERTSLY BORATE 12.7
DOLOMITE 6.4
TALC 13.6
KAOLIN 4.5
FLINT 22.7
ZINC OXIDE 2.7
COBALT OXIDE 3.3% This glaze resulted in a semigloss opaque
purply fat glaze

EMILY'S BLUE another semi matt opaque purply glaze
CUSTER SPAR 34
GB 18
OM# 4 BALL CLAY 11
TALC 14
FLINT 10
DOLOMITE 6
ZIRCOPAX 4
COBALT CARB 3

Randy's Blue purple opaque where thick, semi opaque where thin nice
accent color
GB 31
TALC 14
SODA SPAR 20
EPK 5
FLINT 30
COBALT OX 2% I will try less oxide and report back.

SANA'S GREEN shiny, pale green semi opaque breaks nicely on edges
CUSTER FELDSPAR 24
WHITING 8
GB 9.6
STRONTIUM CARB 6.4
MAGNESIUM CARB 2.4
EPK 4 the original recipe said Pioneer Kaolin but I
had epk only
SILICA 25.6
TIN OX 2.4
82.4
ADD COPPER CARB 4
RUTILE 4
BENTONITE 1.6

SHINY SOFT GREEN /PINK SPECKS shiny semi opaque pale watery green no pink
nep sy 67
dolomite 10
kaolin 8
silica 9
zinc ox 6
add copper carb 3

Blueberry nice base, almost black breaking to blue where thick shiny
GB 50
Kaolin 20
Fline 30'
Black nickel ox 2.5 (I use what I had, it was green in color and labeled
only nickel ox
cobalt ox 2.5

Greenberry same as above army green with blue specks
add copper carb 5
cobalt ox .5

FLOATING RED dry dark red brown, good accent color over other glazes
Perhaps it was underfired.
GB 55
Talc 15
Flint 30
RIOX 22

Burgundy pink semi opaque
F 4 soda spar 53
Silica 20
Whiting 15
Strontium 4.5
EPK 6
Deep Salmon Mason Stain #6031 10% The original called for Deep Crimson Stain


"Translucent Maroon" shiny, transparent blue where very thick
GB 21
Nep Sy 16
Kaolin 11
Whiting 20
Fling 32
Tin OX 5
Chrome ox .15

Metallic Black glossy opaque black, with some speckling good accent color
Spodumene 50
GB 25
Flint 25
Black Iron OX 10%
Cob ox 2%
Copper Carb 4%

I just unloaded the kiln and have done no durability or other testing. Just
observation!
Louise Jenks in rainy Cincinnati