Description
Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica, and feldspar and is often used as building stone
Graphic Granite is a granite exhibiting a graphic texture due to exsolution of quartz from feldspar.
These are ideal for classroom teaching and are a size that can be easily passed round the classroom for students to get a feel for each type.
Approx: 30-50mm
