Category: Glaze > Green > Chrome
Created 2000-01-01 00:00:00 by Glazy Admin
Categories: Glaze > Green > Chrome
Firing Temperature: Δ10
Atmospheres: Oxidation, Reduction
Surface Type: Glossy

This recipe was imported from Louis Katz's Hyperglaze database available on his website:
More information about Louis Katz can be found on his website,

Louis Katz Notes: I am not a safety expert and any information contained in this file about safety should be ignored in favor of advice from experts. All of the materials in all glazes are potentially hazardous. All of these glaze recipes are given without any representation of accuracy or safety. They may work, they may not. They may be safe when fired or they may not. All of the materials used in them have hazards associated with them. You must be have sufficient training in the hazards before you use the the materials. You will have to determine the suitability and safety for your use. Do not assume that a lack of a warning about a material means that it is safe.

Cone: 10
Color: green
Testing: Tested
Surface texture: shiny glossy
Firing: Ox. or Red.
Recipe: Percent Batch
Custer Feldspar 75.00 6000
Whiting 15.00 1200
Flint 5.00 400
Kaolin 5.00 400
Totals: 100.00 % 8000 Gm
Also add:
Chromium Oxide 4.00 320
with 3% TiO2 instead of Chrome is opalescent crackle grey green. TiO2 is nicer than the Rutile Test

Material Amount Batch Subtotal
Custer Feldspar (1989) 75
Whiting 15
Silica 5
Kaolin (Theoretical) 5
Total Base:100
Chrome Oxide 4
Total: 104

Percentage Analysis

Ingredient Amount SiO2 Al2O3 CaO K2O Na2O KNaO Cr2O3 LOI
Custer Feldspar (1989)7551.4813.040.237.772.2710.040.23
Kaolin (Theoretical)52.362.010.63
Chrome Oxide44
100% no LOI 60.9315.598.958.052.3510.394.14

Unity Molecular Formula (UMF)



0.13 Na2O
0.3 K2O
0.56 CaO


0.54 Al2O3


3.59 SiO2


0.1 Cr2O3





0.44 : 0.56

SiO2:Al2O3 Chart

Closest 30 neighbors in Glaze > Green > Chrome.

Click and drag to zoom
Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 6.63

Similar Base Recipes

Similar RO/R2O Unity Formulas

Recipe Name ΔTemp Al2O3 B2O3 SiO2 ZrO2 SnO2 TiO2 KNaO K2O Na2O CaO MgO ZnO BaO PbO Li2O SrO
Reeves Green 10 0.54 3.59 0.43 0.3 0.13 0.56
Clear Crackle rev. 8-10 0.53 3.58 0.44 0.07 0.37 0.56 0.01
Mean Green 10 0.54 3.61 0.44 0.3 0.14 0.56
Green Reeves 10 0.54 3.63 0.44 0.3 0.14 0.57
louis katz 2017-04-07 02:38:47
This is an old standard. I am still using it but have recalculated it with newer Custer. It is a great decorator. It goes well with tenmokus , kakis, St. Johns Black, and over opacified white glazes.


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
Whiting Harmful WARNING Causes 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
Kaolin (Theoretical) HarmfulHealth Hazard DANGER SDS for EPK KAOLIN: EPK Kaolin is a naturally occurring mineral, which may contain amounts of crystalline silica
typically 0.1-1.0%, may cause damage to respiratory system through prolonged or repeated
Chrome Oxide WARNING May be harmful if inhaled. May cause
irritation to eyes and respiratory tract. Slightly toxic if ingested.
2 0 1 E