Quartzite rock specimens set of 12-(ELS-ROK1208)

Quartzite metamorphic rock specimens 1 inch samples set of 12 - The compaction of sandstone's sturdy silicate framework makes quartzite one of the most durable rocks on the planet. Students can differentiate between quartzite and sandstone by their relative density. In the classroom, quartzite is useful alongside sandstone as a comparison between rock types, or in more general metamorphic classification exercises. Set of 12 1inch samples. -