| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Pennsylvania > Rutile (twinned crystals) |
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| DESCRIPTION: | No. 41020 |
| Mineral: | Rutile (twinned crystals) |
| Locality: | Parkesburg, Chester County, Pennsylvania |
| Description: | Terminated dark red rutile crystals with no matrix attached. The rutile crystals show classic knee-twins (60° twins) on several sides. Remnants of silicone glue remain on the bottom from an old base that was removed. |
| Overall Size: | 22x20x18 mm |
| Crystals: | 4-20 mm |
| Archived: | For reference only |
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