Category: Glaze > Green > Chrome
Created 2017-03-24 15:06:29 by Adam Reynolds
Categories: Glaze > Green > Chrome
Firing Temperature: Δ9-11
Atmospheres: Reduction
Surface Type: Glossy
Transparency: Semi-opaque

From Dawn Atkins
https://clayarts.websitetoolbox.com/post/green-glazes-1263588
Bright Green Cone 10 Glaze

I should note that I do have an 80's fashion, oh-my-god-green that is so unnatural I can't stand it. But my students love it, so I will share it to get this topic started. Plus the formula appeals to my sense of organization as the ratios are 1,2,3,4:

BLINDINGLY BRIGHT GREEN
Cone 10, Redux
Gloss, Opaque, Viscous, Bright Spring Green
Best on iron clay such as Rods Bod or Death Valley which creates dark flecks and variations in the green. On white clay the glaze is solid, unchanging, blindingly bright green.

Material Amount Batch Subtotal
Custer Feldspar 40
Silica 30
Whiting 20
Ball Clay (Theoretical) 10
Total Base:100
Chrome Oxide 2
Copper Carbonate 0.5
Total: 102.5

Percentage Analysis

Ingredient Amount SiO2 Al2O3 MgO CaO K2O Na2O KNaO Fe2O3 TiO2 Cr2O3 CuO LOI
Custer Feldspar4027.46.80.1241.25.20.040.12
Silica3030
Whiting2011.228.78
Ball Clay (Theoretical)105.912.50.030.030.090.040.130.10.11.2
Chrome Oxide22
Copper Carbonate0.50.320.18
Total102.563.319.30.0311.374.091.245.330.140.120.3210.28
100% no LOI 68.8810.120.0312.374.451.355.80.150.112.180.35

Unity Molecular Formula (UMF)

FLUXES

RO/R2O

0.08 Na2O
0.16 K2O
0.76 CaO
STABILIZERS

R2O3

0.34 Al2O3
GLASS-FORMERS

RO2

3.95 SiO2
OTHER

 

0.05 Cr2O3
0.02 CuO
SILICA:ALUMINA

SiO2:Al2O3

11.52

FLUX RATIO

R2O:RO

0.24 : 0.76

SiO2:Al2O3 Chart

Closest 29 neighbors in Glaze > Green > Chrome.

Click and drag to zoom
Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 11.52

Similar Base Recipes

Similar RO/R2O Unity Formulas

R2O3 - STABILIZERS RO2 - GLASS FORMERS RO/R2O - FLUXES
Recipe Name ΔTemp Al2O3 B2O3 SiO2 ZrO2 SnO2 TiO2 KNaO K2O Na2O CaO MgO ZnO BaO PbO Li2O SrO
Blindingly Bright Green 9-11 0.34 3.95 0.24 0.16 0.08 0.76
Val Cushing V.C. IR-J 9 0.39 3.9 0.23 0.16 0.07 0.76
Leach White (Romero House Potters) 0.39 3.9 0.23 0.16 0.07 0.76
Leach 1234 with OM4 10 0.36 3.9 0.01 0.24 0.17 0.07 0.75
Temokuse (Iron Saturate) 10 0.39 3.9 0.23 0.16 0.07 0.76
Leach Celadon 10-12 0.39 3.9 0.23 0.16 0.07 0.76
Temmoku-tea dust 6-10 0.38 3.98 0.01 0.22 0.15 0.07 0.78 0.01
Speckled Red 9-10 0.38 3.98 0.04 0.23 0.16 0.07 0.77
Teadust Temmoku 6 0.38 3.98 0.01 0.22 0.15 0.07 0.78 0.01

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Hazards

09/2016 Note: This is a new feature. If a recipe material is not listed, that material's data has not yet been added. Some materials only have GHS ratings, while others only have HMIS ratings. Warnings differ between systems and countries. Glazy does not take any responsibility for accuracy of linked SDS information. Contact your ceramics supplier for safety information for your specific materials.
Globally Harmonized System (GHS) Hazardous Materials Identification System (HMIS) SDS Link
Material Pictograms Signal Word Hazard Statements Health Flammability Hazard Protection
Custer Feldspar HarmfulHealth Hazard WARNING May cause damage to lungs through prolonged or repeated inhalation.
Suspected of causing cancer through
prolonged or repeated inhalation.
May cause allergy or asthma symptoms or breathing difficulties if inhaled.
May cause skin or eye irritation.
Silica HarmfulHealth Hazard DANGER From 200-Mesh SDS:
May cause cancer by inhalation.
Causes damage to lungs through prolonged or repeated exposure by inhalation.
* 0 0 E
Whiting Harmful WARNING Causes eye irritation
Chrome Oxide WARNING May be harmful if inhaled. May cause
irritation to eyes and respiratory tract. Slightly toxic if ingested.
2 0 1 E
Copper Carbonate Harmful WARNING Harmful if swallowed.
Causes skin irritation.
Causes serious eye irritation.