| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Pennsylvania > Calcite - twinned crystals |
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| DESCRIPTION: | No. 30514 |
| Mineral: | Calcite - twinned crystals |
| Locality: | Delta Carbonate Quarry, (Roosevelt Avenue Quarry) York, York County, Pennsylvania |
| Description: | Flattened, rhombohedral calcite crystals with beautiful golden color. The calcite crystals are twinned - a formation this quarry is well known for. The crystal faces have slight striations and have rainbow iridescence in areas. One edge has a small nick. |
| Overall Size: | 8x8x6 cm |
| Crystals: | 7-9 cm |
| Archived: | For reference only |
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