Rutile Geniculate Twin on Quartz North Carolina 59g Fire Quartz Diana Maria Mine

Diana Maria Mine

Vibrant Red

According to Edmund Harold in "Focus on Crystals":* "The closer

Purple Aragaonite Crystal Specimen

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Rutile Geniculate Twin on Quartz North Carolina 59g Fire Quartz Diana Maria MineThis is an excellent example of larger sized, thicker, well formed geniculate twin*, nicely terminated rutile. This substantial, robust, less common variety of rutile from North Carolina exhibits a considerably different and impressive presence. Great metallic luster too. * A geniculate twin crystal is one that presents with twinned form showing that the twin plane has significantly changed the shape of the crystal. Also referenced as a "knee or elbow