Samplau o Roc 56 Math
| E42.4002Samplau o Roc 56 Math | |||
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Gan gynnwys 56 math o wahanol samplau o greigiau, wedi'u pacio mewn blwch pren 41x24x4cm, pwysau 0.8 Kg. |
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| 01 | Basalt | 29 | Dolomit |
| 02 | Andesite | 30 | Chert |
| 03 | Rhyolite | 31 | Tuff |
| 04 | Gabbro | 32 | Calchfaen cregyn |
| 05 | Diabase | 33 | Calchfaen algaidd |
| 06 | Phroxenite | 34 | Anweddiad |
| 07 | Obsidian | 35 | Craig ffosffatig |
| 08 | Perlite | 36 | Craig siliceous |
| 09 | Alaskite | 37 | Breccia |
| 10 | Porfa gwenithfaen | 38 | Amlwg |
| 11 | Admellite | 39 | Marmor dolomit |
| 12 | Gwenithfaen alcali-feldspar | 40 | Marmor serpentinine |
| 13 | Moyite | 41 | Marmor Tremolite |
| 14 | Biotiteadmellite | 42 | Leptite |
| 15 | Diorite | 43 | Greenstone |
| 16 | Granodiorite | 44 | Phyllite |
| 17 | Trachyte alcali-feldspar | 45 | Chwarts-phyllite Muscovite |
| 18 | Pyroxene-trachyte | 46 | Llechen phyllite sericite |
| 19 | Syenite | 47 | Llechen gath ddu |
| 20 | Carreg Fwd | 48 | Eclogite |
| 21 | Siâl | 49 | Glawcophane |
| 22 | Siâl garbonaceous | 50 | Clorit-schist |
| 23 | Siâl galchaidd | 51 | Skarn Epidote |
| 24 | Carreg silt | 52 | Gneiss |
| 25 | Arenite | 53 | Serpentinite |
| 26 | Tywodfaen cwarts | 54 | Chwartsit |
| 27 | Marl | 55 | Amffibole |
| 28 | Calchfaen | 56 | Hornblende |
Ysgrifennwch eich neges yma a'i hanfon atom ni
