Category: Glaze > Matte > Magnesium Matte
Created 2017-05-02 13:11:36 by Tom Demeranville
Categories: Glaze > Matte > Magnesium Matte
Firing Temperature: Δ6
Atmospheres: Oxidation
Surface Type: Satin - Matte

Very satiny. Smooth nice feel (High Calcium, magnesium, alumina matte)

Material Amount Batch Subtotal
Kaolin (Theoretical) 40
Wollastonite (Theoretical) 20
Talc (Theoretical) 14
Silica 8
Custer Feldspar 6
Total: 88

Percentage Analysis

Ingredient Amount SiO2 Al2O3 MgO CaO K2O Na2O KNaO Fe2O3 LOI
Kaolin (Theoretical)4018.9216.085
Wollastonite (Theoretical)2010.349.66
Talc (Theoretical)148.874.460.67
Custer Feldspar64.
100% no LOI 61.0720.795.4211.760.730.220.950.01

Unity Molecular Formula (UMF)



0.01 Na2O
0.02 K2O
0.59 CaO
0.38 MgO


0.57 Al2O3


2.86 SiO2





0.03 : 0.97

SiO2:Al2O3 Chart

Closest 71 neighbors in Glaze > Matte > Magnesium Matte.

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Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 4.99

Similar Base Recipes

No recipes with similar base ingredients and amounts were found.

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
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
Wollastonite (Theoretical) Health Hazard DANGER Vansil W-30 Wollastonite SDS:
May cause cancer if inhaled.
Causes damage to organs through prolonged or repeated exposure if inhaled. (respiratory tract)
Talc (Theoretical) Harmful WARNING Causes mild skin irritation
Harmful if inhaled
May cause respiratory irritation
1 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
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.