various polished minerals with names

aegirine aragonite arsenopyrite asbestos background baryte blue chlorite chondrodite cinnabar clinochlore collage collection corundum description epidote eudialyte gem geological gneiss hematite isolated jasper jaspillite lepidolite magnetite manganepidot manganocalcite marl marlstone microcline mineral name pegmatite piemontite polished rhodusite rhyolite rock sample sanidine set shale shungite specimen sphalerite spreushtein stone tinguaite tumbled various white