| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Pennsylvania > Calcite (twinned crystals) |
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| DESCRIPTION: | No. 75720 |
| Mineral: | Calcite (twinned crystals) |
| Locality: | Roosevelt Avenue Quarry (York Stone Quarry), York County, Pennsylvania |
| Description: | Unusually large translucent yellow calcite crystals with repeated contact-twinning through the middle of the cluster. The calcite crystals originally had limonite-coated faces but the collector cleaned the crystals resulting in lustrous crystal faces. From my personal collection; collected ca. 1993 |
| Overall Size: | 11x10x9 cm |
| Crystals: | 110 mm |
| Archived: | For reference only |
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