Locality: Tiro Estrella Mine, El Capitan Mountains, Capitan District, Lincoln County, New Mexico, USA
Description: The twin has been extracted. It is in great condition, but unfortunately the matrix disintegrated just after being collected. This is the hardest problem with collecting at Mina Tiro Estrella. Twins are plentiful, but finding them in good condition on matrix is very uncommon. 2013

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