| Monthly Tech-Tip  | No tracking! No ads!  | 
This is GR6-H Ravenscrag Slip oatmeal over G1214M black on porcelain at cone 6 oxidation to create an oil-spot effect. Both were dipped quickly.

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At various thicknesses on M340, M370, P300. Fired at cone 6 oxidation using the C6PLST firing schedule.
For speckle add granular manganese (adjust the percentage to get the desired speckle density, start at 0.25%). Since the manganese particles are very heavy, and thus want to settle out, the glaze slurry should be thixotropic and stirred before each dip.
| Recipes | 
GR6-H - Ravenscrag Cone 6 Oatmeal Matte
 Plainsman Cone 6 Ravenscrag Slip glaze. See more at ravenscrag.com.  | 
| Recipes | 
G1214M - 20x6 Cone 6 Base Glossy Glaze
 A recipe developed by Tony Hansen in the 1980s. Its was popular for the simplicity and how well it worked with chrome-tin stains. It was upgraded many times.  | 
| Glossary | 
Oil-spot glaze
 A mottled glaze created by double-layering glazes of different melt fluidity and color  | 
| Glossary | 
Glaze Layering
 In hobby ceramics and pottery it is common to layer glazes for visual effects. Using brush-on glazes it is easy. But how to do it with dipping glazes? Or apply brush-ons on to dipped base coats?  | 
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