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Coarseware 3

Name: Coarseware 3 Code: C3
Distinguishing features: Pinkish buff - grey colour
Colour: Pinkish buff-grey 5YR 5/4-7/6 Texture: Rough Strength: Medium
Hardness: Medium Resistance: Medium Fracture: Finely irregular
Manufacture: Wheel Firing temperature: Medium Firing atmosphere: Mixed
Surface treatment: none
Clay matrix: Medium elutriated
Inclusions:
Type Size mm. Colour Mineral % Shape Sorting Note
Grog <2 Pinkish brown Grog 10% Sub-round Poor rarely orange - grey upto 12 mm
Grit <2 Brown-black - 2% Sub-round Poor  
Crystals <1 Transparent Quartz 1% Angular Good  
Particles <1 White Lime 1% Sub-round Poor  
Crystals <0.5 Black Augite? <1% Angular Good  
Platelets <0.5 Golden Biotite mica <1% Platelet Poor  
Notes:
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Last updated: Fri Nov 13 1998