Sampl Roc
| E42.0101Sampl Roc | ||||
| Set o 20 math o wahanol samplau o greigiau, rhestrwch fel isod: | ||||
| Rhestr Cynnwys | ||||
| 1. Gwenithfaen | 2. Lava | 3. Steatite | 4. Gritstone | 5. Calchfaen |
| 6.Eclogite | 7. Marmor | 8. Llechi | 9. Ffosil | 10. Calsit |
| 11. Malachite | 12. Mwynglawdd Aur | 13. Chalcocite | 14. Hematite | 15. Siderite |
| 16. Mwyn arian | 17. Galena | 18. Mercwri | 19. Magnet | 20. Cassiterite |
Ysgrifennwch eich neges yma a'i hanfon atom
