Top Tweets for #potteryterm
#PotteryTerm: SHRINKAGE - An irreversible reduction in the size/volume of a ceramic piece or glaze which is caused during the drying and firing process. This differs from expansion and contraction, which occurs naturally as a piece heats and cools.
#PotteryTerm: BURNISHING - A process of producing a polished, shiny surface by rubbing a smooth stone over the surface of pots or bowls after application of the slip.
Melon jar by #Jemez potter Laura Gachupin.
#PotteryTerm: POLYCHROME - A painted or glazed surface of three or more colors
Jar by #Acoma potter David Antonio.
#PotteryTerm: CHEESEHARD - The first stage in the drying process of a piece of pottery where it is still soft.
#PotteryTerm: WHITEHARD - A stage in the drying of a piece of pottery where it is fully dry and has very little moisture. At this point it is ready to be fired in a kiln.
#PotteryTerm: BURNISHING - A process of producing a polished, shiny surface by rubbing a smooth stone over the surface of pots or bowls after application of the slip.
Jar by #SantaClara artist Vicki Martinez.
#PotteryTerm: DUNTING - The cracking of pottery caused by stress during the firing and cooling process.
#PotteryTerm: COILING - A hand building technique where snake-like pieces of clay are placed in a spiral formation, thereby building a cylindrical shape. The coils are then smoothed out so that the piece takes on a continuous contour.
Piece by #Acoma potter Paula Estevan.
#PotteryTerm: FIRING - The step at the end of the pottery-making process, literally baking the piece to harden.
Jar by #Acoma potter David Antonio.
#PotteryTerm: MATTE/SEMI-MATTE - A dull surface finish far less glossy than the burnished black or red ware. Most pottery from Hopi, Acoma, Zia and Picuris is matte.
Jar by #Acoma potter Mary Antonio.
#PotteryTerm: SGRAFFITO - decorating technique where a slip is applied to a leather-hard piece of clay and left to dry. Once the slip is dry, different tools are used to carve into the clay to remove the slip and leave a decoration behind.
Vase by #SantaClara potter Gwen Tafoya
#PotteryTerm: MATTE/SEMI-MATTE: A dull surface finish far less glossy than the burnished black or red ware. Most pottery from Hopi, Acoma, Zia and Picuris is matte.
#PotteryTerm: POLYCHROME - A painted or glazed surface of three or more colors.
#PotteryTerm: SGRAFFITO - In this style of pottery, the potter carves through the colored slip to reveal the color of the slips or clay underneath.
#PotteryTerm: LEATHERHARD - A stage in the drying process when a clay object can be carefully handled without danger of the shape being deformed, but the clay is still pliable enough so alterations can be made if desired.
#PotteryTerm: FIRING - The step at the end of the pottery-making process, literally baking the piece to harden.
#PotteryTerm: INCISING - the cutting of closely-spaced lines and designs into the surface of the pot before it is fired.
#PotteryTerm: CRAZING - Also referred to as "crackle" and "spiderwebbing", it is considered a defect in the glaze brought about by a difference in the amount of shrinking in the clay and the glaze.
#PotteryTerm: BLACKHARD - A stage in the drying of a piece of pottery where it is no longer malleable, but it has not yet dried out completely.
#PotteryTerm: FIRING - The step at the end of the pottery-making process, literally baking the piece to harden.
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