|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Pennsylvania > Rutile (knee-twins)|
|Locality:||Christiana, Lancaster County, Pennsylvania|
|Description:||Complexly twinned striated rutile crystals that were weathered from matrix and found in a farmer's field. The rutile crystals are twinned at 120° (known as knee-twins) in two axes of orientation. Ex. Peter B. Nalle (1923-2010) collection #214|
|Overall Size:||30x28x27 mm|
|Status:||Sold - Posted here for reference only|
|Buy similar:||Minerals from Mid-Atlantic, USA > Oxide Mineralss|
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