Partially Dissolved Plagioclase Core With Sanidine Rim

Partially dissolved plagioclase core with sanidine rim — rapakivi texture. Redondo Creek Rhyolite. Scale bar is 0.5 mm. CL conditions: 6.5 kV, 0.5 mA. Photo courtesy of Jack Wilcock, McGill University.

Relion Indistries plagioclase sample