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Minerals and Metals in Ancient India v1.c16.s2.t4.20

Minerals and Metals in Ancient India v1.c16.s2.t4.20

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v1.c16.s2.t4.20

| Object No. | Description | Period | Chemical analysis per cent component | Metallographic observation |
| 1. | antimony-rod | II | Cu 95.1, Pb 2.2 | Twinned recrystallised grains; random distribution of lead particles |
| 2. | antimony-rod | III | Cu 98.5 | |
| 3. | antimony-rod | IV | Cu 95.6, Sn 1.5, Pb 1.2 | |
| 4. | bangle | III | Cu 63.5, Zn 25.9, Pb 8.3 oxide * 1.2 | Single phase of brass, distributed lead particles, evidence of cold-working after recrystallisation |
| 5. | bangle | II | Cu 85.1, Sn 9.1, Pb 1.5 | Single phase; twinning strain lines and bent twins showing permanent deformation after recrystallisation |
| 6. | bell | II/III | Cu 61.3, Sn 19.4, Pb 5.9 oxide * 2.7, S 0.3 | |
| 7. | bell | III | Cu 66.1, Sn 20.2, Pb 3.5 | |
| 8. | bell | III | Cu 58.9, Sn 19.0, oxide 1.3, S 0.2 | |
| 9. | ring (coil) | III | Cu 77.9, Zn 17.8, oxide 1.7 | Even distribution of very fine inclusions |
| 10. | Channel tube | II | Cu 66.6, Sn 4.2, oxide 6.3, S 1.2 | |