Category: Glaze > Blue
Created 2017-05-01 23:03:53 by Nate Willever
Categories: Glaze > Blue
Firing Temperature: Δ9-11
Atmospheres: Reduction, Salt & Soda, Wood
Surface Type: Glossy - Semi
Transparency: Opaque

Blue/Green Satin to Shiny

Material Amount Batch Subtotal
Custer Feldspar 37.5
Kentucky OM #4 Ball Clay 16.5
Silica 13
Strontium Carbonate 13
Whiting 11.25
Dolomite 8.75
Total Base:100
Copper Carbonate 5
Cobalt Carbonate 0.4
Total: 105.4

Percentage Analysis

Ingredient Amount SiO2 Al2O3 MgO CaO SrO K2O Na2O KNaO Fe2O3 TiO2 CoO CuO LOI
Custer Feldspar37.525.696.380.113.751.134.880.040.11
Kentucky OM #4 Ball Clay16.
Strontium Carbonate139.133.87
Copper Carbonate53.221.78
Cobalt Carbonate0.40.250.15
100% no LOI 54.3112.482.2510.3910.374.451.335.780.

Unity Molecular Formula (UMF)



0.05 Na2O
0.12 K2O
0.24 SrO
0.45 CaO
0.14 MgO


0.3 Al2O3


2.21 SiO2
0.01 TiO2


0.01 CoO
0.11 CuO





0.17 : 0.83

SiO2:Al2O3 Chart

Closest 100 neighbors in Glaze > Blue.

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Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 7.39

Similar Base Recipes

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Similar RO/R2O Unity Formulas

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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.
Kentucky OM #4 Ball Clay Health Hazard WARNING May cause damage to lung through prolonged or repeated inhalation 2 0 0 E
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
Strontium Carbonate Harmful WARNING Product dust may be irritating to eyes,skin and respiratory system.  1 0 0 E
Whiting Harmful WARNING Causes eye irritation
Dolomite Health Hazard DANGER May cause cancer (Inhalation) 1 0 0 E
Copper Carbonate Harmful WARNING Harmful if swallowed.
Causes skin irritation.
Causes serious eye irritation.
Cobalt Carbonate Health HazardEnvironmental Hazard DANGER May cause cancer
Suspected of causing genetic effects
May damage fertility or the unborn child
May cause allergy or breathing difficulties if inhaled
May cause a allergic skin reaction
Very toxic to aquatic life
Very toxic to aquatic life with long lasting effects
2 0 0 *