Poikilitic augite with plagioclase inclusions. Poikilitic texture refers to crystals, typically phenocrysts, in an igneous rock which contain small grains of other minerals. Crossed nicols image, magnification 2x (Field of view = 7mm)
<a href="//commons.wikimedia.org/wiki/User:Strekeisen" title="User:Strekeisen">Strekeisen</a>
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<span class="int-own-work" lang="en">Own work</span>