Key to Composition Chart

• Al Aluminum oxide Al2O3
• B Boric oxide B2O3
• Ca Calcium carbonate CaO3
• Co Cobalt oxide CoO
• Cr Chromium oxide Cr2O3
• Fe Iron oxide Fe2O3
• Mn Manganese dioxide MnO2
• Ni Nickel oxide NiO
• Pb Lead oxide PbO
• Pr Praseodymium oxide Pr6O11
• Sb Antimony dioxide Sb2O3
• Si Silicon dioxide SiO2
• Sn Tin dioxide SnO2
• Ti Titanium dioxide TiO2
• V Vanadium oxide V2O5
• Zn Zinc oxide ZnO
• Zr Zirconium dioxide ZrO2

Reference Notes

1. Can be used as body stain in porcelain at high temperatures.

1a. Use only as body stain.
Firing temperatures can only be a rough guide. Firing at 2200°F on a slow schedule may give the equivalent maturing as firing at 2300°F on a fast schedule. The cycle, atmosphere, and rate of cooling will affect the color.

2. Max. firing limit 2156°F (1180°C)

3. Max. firing limit 2390°F (1310°C)

4. Max. firing limit 1976°F (1080°C)
Zinc oxide influences the color in a glaze more than any other element. Generally, zincless glazes should contain no magnesium oxide. Some colors containing zinc are to be used in a zincless glaze. The zinc in the color is in a combined form and will not harm the color, but free zinc oxide in the glaze can destroy the color.

5. Do not use Zinc in the glaze.

6. May be used with zinc or without zinc.

7. Zinc not necessary but gives better results.

8. Best results with no zinc.
Calcium oxide content as calcium carbonate should be between 12-15% for best color development. Adding the molecular equivalent of calcium oxide with Wollastonite, a natural calcium silicate, often gives better uniformity. The increased silica from the Wollastonite must be subtracted or the glaze will have a poor surface.

9. Glaze must contain 6.7 to 8.4% Calcium Oxide.

Notes by Mason Stains® (by Mason Color Works) – You must test under your conditions.

Stains – Browns and Oranges

Number	Browns, Oranges	Composition	1/4#	1#	5#	Reference
6100	Woodland	CrFeZnAlSi	$6.17	$19.75	$78.99	3,6,7
6101	Chestnut	CrFeZnMn	6.10	19.53	78.12	3,6,7
6103	Golden Brown	CrFeZnAl	6.14	19.64	78.55	3,6,7
6104	Fawn	ZrVCrSn	11.22	35.91	143.65	3,6,7
6107	Dk. Golden	CrFeZnAl	6.17	19.75	78.99	3,6,7
6108	Walnut	CrFeZnMn	6.27	20.07	80.29	3,6,7
6109	Deep Brown	CrFeZnAl	6.61	21.16	84.63	3,6,7
6111	Spice Brown	FeSnZn	9.83	31.47	125.86	3,6,7
6113	Claret	CrFeZn	4.85	15.52	62.06	3,6,7
6119	Russet	CrFeZnCaZr	5.22	16.71	66.84	3,6,7
6121	Saturn Orange	CrFeZnAl	6.14	19.64	78.55	3,6,7
6122	Cedar Brown	CrFeZnAl	6.31	20.18	80.72	3,6,7
6123	Saddle Brown	CrFeZnAl	6.31	20.18	80.72	3,6,7
6124	Chocolate	CrFeZnAlMn	6.27	20.07	80.29	3,6,7
6125	Leather Brown	CrFeZnAl	6.24	19.96	79.86	3,6,7
6126	Hazelnut	CrFeZnAl	6.44	20.62	82.46	3,7
6129	Golden Ambrosia	CrFeZnAl	6.07	19.42	77.69	3,6,7
6131	Titanium Iron	TiFe	5.83	18.66	74.65	1a,3,6
6134	Red Brown	CrFeZn	6.34	20.29	81.16	3,6,7
6149	Iron Silicate	FeSi	5.15	16.49	65.97	3,6,7
6153	Seal Brown	CrFeZnMn	4.78	15.30	61.19	3,6,7
6160	Dark Chocolate	CrFeZnAl	5.09	16.28	65.10	3,6,7
6163	Terra Cotta	CrFeZnAl	6.14	19.64	78.55	3,6,7
6166	Camel Beige		6.24	19.96	79.86
6190	Deep Brown	CrMn	4.75	15.19	60.76	3,6,7
6194	Manganese Silicate	MnSi	4.58	14.65	58.59	3,6,7