Mineral: Rutile
Locality: Brazil
Dimensions: 6 x 6 x 7 cm.

Description: Brazilian rutile sixling combining many twins with different handedness: look at the striation and follow the lines... The rotational model is unsuitable, but it can be described as a sequence of reflections. The specimen belongs to Paco from Cantabria (Spain): http://www.foro-minerales.com/forum/viewtopic.php?p=96534#96534 .

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