Name: Activa Blackjack Stoneware Clay
Brand: Activa
Rating: 3.3 (3 reviews)

A combination of several different clays, Activa Blackjack Stoneware Clay is mined directly from the earth in East Texas. This extraordinary clay is never dried or processed into a powdered form, so its natural character and pliability (also known as plasticity) remain locked inside. 

Perfect for  hand-building , Activa Blackjack Stoneware Clay won't sag, making it ideal for projects requiring vertical side strength. It bonds easily to itself and adapts to  coil-building  and  free-form  sculpture. The properties inherited from Mother Earth also give Blackjack Clay a smooth feel and texture that makes it enjoyable to throw. 

Blackjack Clay can be carved and decorated easily when  leather-hard . It also responds well to glazes, which can be applied directly to greenware or added to bisque ware before a second firing. It has a milk chocolate color and becomes soft  buff/tan  when fired. 

Keep this clay sealed to remain moist. It stores well and retains a pleasant, clean earth smell. 

Cone  6&ndash;10 .




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Activa Blackjack Stoneware Clay (front of package)

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Activa Blackjack Stoneware Clay (wet clay)

Products bearing the AP seal of the Art & Creative Materials Institute, Inc. (ACMI) are certified non-toxic. A product can be certified non-toxic only if it contains no materials in sufficient quantities to be toxic or injurious to humans, or to cause acute or chronic health problems.

AP Non-Toxic

Products bearing the AP seal of the Art & Creative Materials Institute, Inc. (ACMI) are certified non-toxic. A product can be certified non-toxic only if it contains no materials in sufficient quantities to be toxic or injurious to humans, or to cause acute or chronic health problems.


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Activa Blackjack Earthenware Clay (wet clay)

A combination of several different clays, Activa Blackjack Earthenware Clay is mined directly from the earth in East Texas. This extraordinary clay is never dried or processed into a powdered form, so its natural character and pliability (also known as plasticity) remain locked inside. The process of blending and wet screening results in a very plastic, silky-smooth, air-dry clay.  

Use Activa Blackjack Earthenware Clay for craft projects such as hand-building, wheel-throwing, sculpture, and modeling. This non-toxic, white modeling clay is excellent for children's arts and crafts projects, for introductory ceramics projects, and for artists at all skill levels, from beginners to professionals. 

Pieces made from Activa Blackjack Earthenware Clay must be fired to become permanent. Cone 06-04

Use Activa Blackjack Earthenware Clay for craft projects. This non-toxic, white modeling clay is excellent for children's arts and crafts projects, for introductory ceramics projects, and for artists at all skill levels, from beginners to professionals. Pieces must be fired to become permanent.

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Blick Stoneware Clay (Bique, Clear Glaze, and White Glaze)

With a moist, homogenous formula, Blick Stoneware Clay is excellent for wheel-throwing and comes ready-to-use. Its smooth, plastic consistency makes it ideal for throwing as well as modeling, coiling, and slab building. This stoneware clay is ideal for making durable dishes, sculpture, planters, patio vases, and other utility and decorative ware.

Bisque fire to Cone 04 (1971°F, 1077°C). The firing range is Cone 5–10 (2205°F–2381°F). When fired at the recommended temperature of Cone 5 (2205°F), the hard, dense, semi-vitreous ware is creamy tan color with a shrinkage of 12% and absorption of 1.8%. At Cone 10 (2381°F), the very dense, vitreous ware is a soft gray color with a shrinkage of 13.2% and absorption of 0%.

A 50 lb (23 kg) carton consists of two 25 lb bricks, each in a poly storage bag, so any amount can be used as required and the rest stored for future use.

With a moist, homogenous formula, Blick Stoneware Clay is excellent for wheel-throwing and comes ready-to-use. Its smooth, plastic consistency makes it ideal for throwing as well as modeling, coiling, and slab building. Bisque fire to Cone 04 (1971°F, 1077°C). The firing range is Cone 5–10 (2205°F–2381°F).

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Amaco Potter's Choice Glazes - Five tier pyramid of 30 pots fired with assorted glaze colors. 

Designed with the potter in mind, Amaco Potter's Choice Glazes add stunning fluid colors and effects to smooth or textured ware with optimal results at Cone 5/6. Step into the ceramic glaze traditions of cultures throughout history with these user-friendly glazes.

Achieve the effects of Cone 10 reduction without the need for a reduction gas kiln or firing to high temperatures. These lead-free glazes are made to fire at Cone 5-6 (2205°F–2269°F, 1207°C–1243°C) in an oxidation kiln. Choose from pint liquid, gallon liquid, or 25 lb dry packages. The 25 lb dry dipping glazes are packaged in 5-gallon buckets for easy pouring. 

Only stirring is necessary before application. For spraying and dipping, glazes may be thinned with water. See manufacturer's instructions for spray application. All colors are food safe, with the exceptions of PC-4 Palladium and PC-64 Aventurine. 


Amaco Potter's Choice glazes achieve the effects of Cone 10 reduction without the need for a reduction gas kiln or firing to high temperatures. These lead-free glazes are made to fire at Cone 5-6 in an oxidation kiln.

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Amaco Celadon Glazes - Class Pack 1, Set of 6 Pints

Amaco Celadon Lead-Free High Fire Glazes are glossy, transparent, and pool beautifully to add vivid accents to textured and carved surfaces. Designed to be 100% mixable, these glazes will yield endless possibilities! Create your own colors from a palette of 17 hues, shade with Obsidian, or tint with Snow. 

These glazes highlight the surface texture and bring out the color of the clay. Transparency can be adjusted and colors can be softened with C-11 Mixing Clear. Celadon glazes can be thinned with water and Amaco Gum Solution if needed. They can also be layered beneath Amaco Potter's Choice Glazes. Shake the liquid glazes well before use. Apply three coats of glaze to Cone 04 bisque (let the glaze dry between coats). Glaze fire to Cone 5–6. Food safe. AP colors are safe for spray application.

Amaco Celadon Lead-Free High Fire Glazes are available by the pint or in 10 lb dry formats, packaged in two-gallon buckets for easy pouring. Only stirring is necessary.

NOTE: Due to the powdered nature of the materials involved with the dry-mix dipping buckets of this product, their respective health information and labels differ from the brushing glazes.

Dry dipping glazes can be difficult to layer. Dipping glazes behave differently from brushing and they require thorough testing prior to layering.


Amaco Celadon glazes are glossy, transparent, and pool beautifully to add vivid accents to textured and carved surfaces. Formulated to be 100% mixable, these glazes are available by the pint, or in 10 lb dry packages, packaged in two-gallon buckets for easy pouring.

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Amaco Lead-Free Velvet Underglazes Classroom Packs - Set of 12, 2 oz, Set #1 (fired color samples)

Amaco Lead-Free Velvet Underglazes can be used with or without glaze. When left unglazed, they will assume the rich textural appearance of velvet. When glazed with transparent matte glaze, they take on a soft, satin finish. Colors will intensify when covered with a clear transparent gloss glaze, but will lose their matte surface quality.

Apply three coats of Amaco Lead-Free Velvet Underglaze for opaque results. They fire true to color from the jar and can be easily applied to wet clay, greenware, or mature Cone 04 bisque (1971 F / 1077 C). To shade, tint, or customize the color of these underglazes, simply mix them with other colors. 

They may be brushed on mature fired bisque before applying a covering glaze. These underglazes are safe for spray application. Velvets tolerate a wide firing range. Fire to Cone 06-10 (1855°F–2381°F, 1013°C–1305°C). 

Colors can be assorted by size for quantity pricing. 

Some colors vary at higher temperatures. Please refer to the Resources tab of this page to download a PDF of Amaco's color variation chart for colors at Cone 5 and Cone 10. Colors are food safe when applied and fired under Amaco LG-10 Clear glaze.


Lead-free Amaco Velvets are opaque underglazes which have the appearance of velvet when left unglazed. When glazed with transparent matte glaze they will assume a soft, satin finish. Cone 05-10.

A combination of several different clays, Activa Blackjack Stoneware Clay is mined directly from the earth in East Texas. Activa Blackjack Stoneware Clay won't sag, making it ideal for projects requiring vertical side strength. It bonds easily to itself and adapts to coil-building and free-form sculpture. Cone 6–10.

Activa Blackjack Stoneware Clay | BLICK Art Materials

A combination of several different clays, Blackjack Clay is mined directly from the earth in East Texas. Activa Blackjack Clay won't sag, making it ideal for projects requiring vertical side strength. It bonds easily to itself and adapts to coil-building and free-form sculpture. Cone 6–10.

Shop Activa Blackjack Stoneware Clay - 5 lb at Blick. Find everything you need for your next creative project online.

Activa Blackjack Stoneware Clay - 5 lb | BLICK Art Materials

Shop Activa Blackjack Clay - 25 lb at Blick. Find everything you need for your next creative project online.

These items are subject to special shipping considerations due to size and weight.

Freight Exceptions

These items are subject to special shipping considerations due to size and weight.


Activa Blackjack Stoneware Clay

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Activa Blackjack Earthenware Clay

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Amaco Potter's Choice Glazes and Sets

Blick Stoneware Clay