Category: Glaze > Purple
Created 2017-05-21 16:25:44 by Amber York
Categories: Glaze > Purple
Firing Temperature: Δ6
Atmospheres: Oxidation
Surface Type: Satin

Raspberry/burgandy colored glaze. This was RecipeID:2977 "Burgandy Red" which no longer exists.

Material Amount Batch Subtotal
Custer Feldspar 31
Whiting 21
Silica 18
Frit 3134 9
Gerstley Borate 8
Calcined Talc, Magnesium Silicate 4
Total Base:100
Tin Oxide 5
Chrome Oxide 0.2
Total: 105.2

Percentage Analysis

Ingredient Amount SiO2 Al2O3 B2O3 MgO CaO K2O Na2O KNaO P2O5 Fe2O3 TiO2 Cr2O3 SnO2 LOI
Custer Feldspar3121.
Frit 313494.192.081.810.920.92
Gerstley Borate81.
Calcined Talc, Magnesium Silicate42.541.27
Tin Oxide55
Chrome Oxide0.20.2
100% no LOI 55.869.54.61.716.623.452.385.820.

Unity Molecular Formula (UMF)



0.09 Na2O
0.09 K2O
0.71 CaO
0.11 MgO


0.23 Al2O3
0.16 B2O3


2.25 SiO2
0.09 SnO2





0.18 : 0.82

SiO2:Al2O3 Chart

Closest 58 neighbors in Glaze > Purple.

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Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 9.99

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.
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
EPK HarmfulHealth Hazard DANGER 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
1 0 0 E
Gerstley Borate
Tin Oxide Harmful WARNING Harmful if swallowed.
Chrome Oxide WARNING May be harmful if inhaled. May cause
irritation to eyes and respiratory tract. Slightly toxic if ingested.
2 0 1 E