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| Name: Bucchero 1 | Code: B1 |
| Distinguishing features: Colour and fineness |
| Colour: Black 7.5YR | Texture: Smooth | Strength: Low 2/0 |
| Hardness: High | Resistance: Medium | Fracture: Finely irregular |
| Manufacture: Wheel | Firing temperature: Medium | Firing atmosphere: Reducing |
| Surface treatment: Burnished |
| Clay matrix: Well elutriated |
| Inclusions: |
| Type | Size mm. | Colour | Mineral % | Shape | Sorting | Note |
| Crystal | <0.5 | Transparent | Quartz? 2% | Angular? | Good |
| Notes: |
| Name: Bucchero 2 | Code: B2 |
| Distinguishing features: Colour and fineness |
| Colour: Black, exterior, greenish grey | Texture: Smooth | Strength: Low |
| Hardness: Low | Resistance: High | Fracture: Finely irregular, laminar |
| Manufacture: Wheel | Firing temperature: Low | Firing atmosphere: Reducing |
| Surface treatment: Burnished |
| Clay matrix: Well elutriated |
| Inclusions: |
| Type | Size mm. | Colour | Mineral % | Shape | Sorting | Note |
| Crystal Particles Particles |
<0.5 <0.5 <1 |
Transparent Grey brown Black |
Quartz? 5% Grog 5% ? 2% |
Sub-angular Sub-angular Rounded |
Poor Good Poor |
| Notes: |
| Name: Bucchero 3 | Code: B3 |
| Distinguishing features: Colour and fineness |
| Colour: Black-dark brown | Texture: Slightly rough | Strength: Low |
| Hardness: Low | Resistance: Medium low | Fracture: Finely irregular, laminar |
| Manufacture: Wheel | Firing temperature: Low | Firing atmosphere: Reducing |
| Surface treatment: None |
| Clay matrix: Well elutriated |
| Inclusions: |
| Type | Size mm. | Colour | Mineral % | Shape | Sorting | Note |
| Crystal Particles |
<0.5 <0.25 |
Whitish transparent Reflective |
Quartz? 3% ? 5% |
Angular ? |
Poor Good |
| Notes: |
| Name: Bucchero 4 | Code: B4 |
| Distinguishing features: Colour and fineness |
| Colour: Black | Texture: Smooth, soapy | Strength: Low |
| Hardness: Low | Resistance: Medium | Fracture: Finely irregular, laminar |
| Manufacture: Wheel | Firing temperature: Low | Firing atmosphere: Reducing |
| Surface treatment: Burnished |
| Clay matrix: Well elutriated |
| Inclusions: |
| Type | Size mm. | Colour | Mineral % | Shape | Sorting | Note |
| Particles | <0.25 | White | ? 5% | Sub-round | Good |
| Notes: Very fine, thin walled bucchero. |