Robuta

https://udspace.udel.edu/items/f866c7fa-1233-4a28-8074-961e89f22467 Red Clay, 25% Fine Sand, 2x Stereomicroscope Image of Ceramic Surface red clay fine sand https://udspace.udel.edu/items/5788d04e-942f-4f77-a60a-7ce8254e3225/full Red Clay, 10% Medium Sand, 2x Stereomicroscope Image of Ceramic Surface red clay medium sand https://udspace.udel.edu/items/0be11788-75f7-4959-ae63-228e13246420 White Clay, 40% Fine Sand, 2x Stereomicroscope Image of Ceramic Surface white clay fine sand https://udspace.udel.edu/items/28e63d83-0522-4e13-a5d8-86ccbfc8bfc3 White Clay, 10% Medium Sand, 2x Stereomicroscope Image of Ceramic Surface white clay medium sand https://udspace.udel.edu/items/2f52ddc7-906a-48c3-8980-720d4fc57720/full Red Clay, 10% Coarse Sand, 2x Stereomicroscope Image of Ceramic Surface red clay coarse sand