Rocks and Minerals, Ground Thin, Igneous Rocks, Set no. III, 31 Microscope Slides size 30x45 mm, without box

Rocks and Minerals, Ground Thin, Igneous Rocks, Set no. III, 31 Microscope Slides size 30x45 mm, without box - Altered granite - Andesite - Basalt - Basalt with olivin - Basalt with phenocryst and white feldspat - Picrit basalt - Tholeiitic basalt - Granodiorite - Pillow lava - Dacite - Diorite - Diorite quartzique - Dolerite - Doreite - Gabbro - Granite - Two-micas granite - Porphyry granite - Kimberlite - Laurvikite - Microdiorite - Microgranite - Peridotite - Phonolite - Rhyolite - Red rhyolite - Syenite - Tephrite - Trachyandesite - Trachyte - Volcanic breccia