Category: Glaze
Created 2017-09-05 01:28:39 by Sue McLeod
Categories: Glaze
Firing Temperature: Δ6
Atmospheres: Oxidation
Surface Type: Matte - Semi
Transparency: Opaque

Cedar Hill Studio Orange Brown recipe. This is a combination of 2 recipes, that's why there are so many ingredients.

Material Amount Batch Subtotal
Silica 24.75
Dolomite 17.32
Spodumene - Canadian 17.32
Kentucky OM #4 Ball Clay 16.83
Gerstley Borate 7.92
Frit 3134 5
Kona F-4 feldspar 5
Amtalc-C98 Talc 3.5
Total Base:97.64
Tin Oxide 3.5
Yellow Ochre 2.5
Bentonite 1.5
Red iron oxide 1
Total: 106.14

Percentage Analysis

Ingredient Amount SiO2 Al2O3 B2O3 MgO CaO Li2O K2O Na2O KNaO P2O5 Fe2O3 TiO2 MnO2 SnO2 LOI
Spodumene - Canadian17.3211.474.411.
Kentucky OM #4 Ball Clay16.839.
Gerstley Borate7.921.
Frit 313452.331.151.010.510.51
Kona F-4 feldspar53.340.980.080.240.340.580.01
Amtalc-C98 Talc3.51.870.
Tin Oxide3.53.5
Yellow Ochre2.51.450.50.010.55
Red iron oxide10.950.05
100% no LOI 60.9411.833.535.618.731.350.541.431.970.081.950.230.013.77

Unity Molecular Formula (UMF)



0.06 Na2O
0.02 K2O
0.12 Li2O
0.42 CaO
0.38 MgO


0.31 Al2O3
0.14 B2O3


2.75 SiO2
0.07 SnO2
0.01 TiO2


0.03 Fe2O3





0.2 : 0.8

SiO2:Al2O3 Chart

Closest 100 neighbors in Glaze.

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Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 8.74

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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
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
Dolomite Health Hazard DANGER May cause cancer (Inhalation) 1 0 0 E
Kentucky OM #4 Ball Clay Health Hazard WARNING May cause damage to lung through prolonged or repeated inhalation 2 0 0 E
Gerstley Borate
Amtalc-C98 Talc Harmful WARNING Causes mild skin irritation
Harmful if inhaled
May cause respiratory irritation
1 0 0 E
Tin Oxide Harmful WARNING Harmful if swallowed.
Yellow Ochre Health Hazard DANGER May cause cancer.
Bentonite Harmful WARNING Causes eye irritation
Causes skin irritation
May cause respiratory irritation
Red iron oxide Health Hazard WARNING May cause damage to lung through prolonged or repeated exposure by inhalation