Home » Clay Gallery This gallery contains pictures and information for the clays commonly used by club members. Clays not stocked at the club for member purchase are denoted by an (*) and may be purchased directly from a local retailer (eg, Marjons).
Note: The club normally Bisque-fires to cone "04" and High-fires to cone "5". Care must be taken when using cone 10 clays for functional-ware and should be avoided altogether for pieces intended for micro-wave and oven use.
- B-Mix 5
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Description:
A premier, cream-white, throwing clay that is easy to throw and form. Excellent glaze results. Fires light gray/white in oxidation. Smooth porcelain texture.
Characteristics
Cone: 5 Wet Color: Light Gray Fire Color Oxidation: Off-White Reduction: Gray-White Texture: Slightly Coarse Penetrometer Target: 6.75 Avg. Shrinkage 2±% 11.0% Avg. Water Absorption 1±% 2.75% COE x 10-6: 5.72
- WS-4 Extra Soft
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Description:
A gray/white body with fine sand. Fires a textured gbuff/white mottled surface in oxidation. Care should be taken when used for functional ware, not totally vitrified in most Cone 5 firings. Has added flux for lower absorption.
Characteristics
Cone: 5 Wet Color: Gray White Fire Color Oxidation: Buff/White Reduction: Gray/White Texture: Slightly Coarse Penetrometer Target: 6.75 Avg. Shrinkage 2±% 11% Avg. Water Absorption 1±% 5% COE x 10-6: 6.65
- Speckled Buff
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Description:
Low in sand and grog content, speckled buff is smooth textured. An excellent throwing body. The color palette is perhaps best described as 'desert' or 'Southwest'. Fired in oxidation, Speckled Buff falls into the tan/brown color range.
Characteristics
Cone: 5 Wet Color: Red Brown Fire Color Oxidation: Buff w/ Specks Reduction: Brown w/ Specks Texture: Slightly Coarse Penetrometer Target: 6.75 Avg. Shrinkage 2±% 12% Avg. Water Absorption 1±% 3% COE x 10-6: 6.12
- Speckled Buff Red
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Description:
(*) Semi-smooth red body with sand and grog. Fires paver tile red in oxidation
Characteristics
Cone: 5 Wet Color: Red Fire Color Oxidation: Tile Red Reduction: Chocolate Texture: Slightly Coarse Penetrometer Target: 6.75 Avg. Shrinkage 2±% 10% Avg. Water Absorption 1±% 2% COE x 10-6: 5.05
- B-3 Brown
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Description:
A pliable clay with smooth grog and color from manganese and iron. Fires almost black when reduced and dark brown/black in oxidation.
Characteristics
Cone: 5 Wet Color: Red/Brown Fire Color Oxidation: Brown/Black Reduction: Black Texture: Slightly Coarse Penetrometer Target: 6.75 Avg. Shrinkage 2±% 10% Avg. Water Absorption 1±% 3% COE x 10-6: 7.275
- B-Mix 5 Red w/Grog
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Description:
A medium sized grog version of Cone 5 B Mix clay body with the addition of Red clay to achieve a warm Orange Brown color. Very forgiving during drying and good for forming larger sized objects.
Characteristics
Cone: 5 Wet Color: Red Fire Color Oxidation: Orange Brown Reduction: Reddish Brown Texture: Slightly Coarse Penetrometer Target: 6.75 Avg. Shrinkage 2±% 9% Avg. Water Absorption 1±% 4%
- Hawaiian Red 2
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Description:
(*) A red, slightly coarse clay with excellent working properties for wheel throwing and handbuilding. It is talc-free and contains sand, making it suitable for medium sized forms. Cone 5 oxidation produces red/brown.
Characteristics
Cone: 5 Wet Color: Red Fire Color Oxidation: Red Brown Reduction: Dk. Red Brown Texture: Slightly Coarse Penetrometer Target: 6.75 Avg. Shrinkage 2±% 10.5% Avg. Water Absorption 1±% 4.5% COE x 10-6: 4.8
- Amador
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Description:
An outstanding, all-purpose, orange/brown, moist body. Has fine (70 mesh) sand and is a difficult body to crack during firing. Durable and affordable. Warm light orange/brown in oxidation.
Characteristics
Cone: 10 Wet Color: Orange Fire Color Oxidation: Lt. Orange/Brown Reduction: Orange/Brown Texture: Slightly Coarse Penetrometer Target: 7 Avg. Shrinkage 2±% 12.0% Avg. Water Absorption 1±% 1.3% COE x 10-6: 4.64
- Dark Brown
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Description:
A medium coarse, dark clay with 60 mesh sand. Turns deep brown in reduction and brown in oxidation. Good for varoius forming techniques.
Characteristics
Cone: 10 Wet Color: Brown Fire Color Oxidation: Brown Reduction: Deep Brown Texture: Medium Coarse Penetrometer Target: 7 Avg. Shrinkage 2±% 12.0% Avg. Water Absorption 1±% 0.9% COE x 10-6: 3.46
- Cassius Basaltic
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Description:
(*) Cassius Basaltic has a very black, ebony-like finish. It is satiny-smooth and striking in appearance. For best results, fire in oxidation and don't exceed Cone 5.
Characteristics
Cone: 5 Wet Color: Dark Brown Fire Color Oxidation: Black Reduction: Texture: Penetrometer Target: Avg. Shrinkage 2±% Avg. Water Absorption 1±% COE x 10-6:
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