AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Pennsylvania > Rutile var. Knee-twin

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

Rutile var. Knee-twin from Parkesburg, Chester County, Pennsylvania

 
Rutile var. Knee-twin from Parkesburg, Chester County, Pennsylvania

DESCRIPTION:No. 59779
Mineral:Rutile var. Knee-twin
Locality:Parkesburg, Chester County, Pennsylvania
Description:Lustrous metallic red-black rutile crystals twinned at 120° angles resulting in the habit known as a Knee Twin. The rutile crystals have striated prism faces that highlight the twin planes. Ex Jeff Weissman collection #97
Overall Size:30x15x10 mm
Crystals:15 mm
Archived: For reference only

 

 

 

 

 

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