Minerales y fósiles

Dark red cube crystals in pale rock - British Mineralogy, Volume 1 - 1804

Knobbly grey botryoidal mineral - British Mineralogy, Volume 1 - 1804

Yellow radiating fibrous mineral - British Mineralogy, Volume 1 - 1804

Dark tabular mineral plates - British Mineralogy, Volume 1 - 1804

Black lustrous ore - British Mineralogy, Volume 1 - 1804

Black slaty rock blocks - British Mineralogy, Volume 1 - 1804

Porous yellow nodules - British Mineralogy, Volume 1 - 1804

Stone crusted in yellow mineral - British Mineralogy, Volume 1 - 1804

Red bladed crystals - British Mineralogy, Volume 1 - 1804

Conglomerate with pale pebbles - British Mineralogy, Volume 1 - 1804

Rock studded with white crystals - British Mineralogy, Volume 1 - 1804

Radiating dark crystal fans - British Mineralogy, Volume 1 - 1804

Grey nodule with orange fibrous core - British Mineralogy, Volume 1 - 1804

Hollow ribbed brown nodule - British Mineralogy, Volume 1 - 1804

Banded brown ironstone - British Mineralogy, Volume 1 - 1804

Banded brown and cream specimen - British Mineralogy, Volume 1 - 1804

Black slab with pale crystal - British Mineralogy, Volume 1 - 1804

Pale tabular crystals in red rock - British Mineralogy, Volume 1 - 1804

Octahedral crystal with purple core - British Mineralogy, Volume 1 - 1804

Dark octahedral crystals on rock - British Mineralogy, Volume 1 - 1804

Rounded mineral nodules - British Mineralogy, Volume 1 - 1804

Olive yellow crusted rock - British Mineralogy, Volume 1 - 1804

Green crystals lining a rock hollow - British Mineralogy, Volume 1 - 1804

Granular grey crystal crust - British Mineralogy, Volume 1 - 1804

Green mossy mineral crust - British Mineralogy, Volume 1 - 1804

Blue green crystal rosettes - British Mineralogy, Volume 1 - 1804

Layered fibrous mineral mass - British Mineralogy, Volume 1 - 1804

Tapered fossil rods - British Mineralogy, Volume 1 - 1804

Ribbed fossil shell and brown nodule - British Mineralogy, Volume 1 - 1804

Net patterned stone and porous nodule - British Mineralogy, Volume 1 - 1804

Branching dendritic mineral growths - British Mineralogy, Volume 1 - 1804

Buff rock with blue grey veins - British Mineralogy, Volume 1 - 1804

White crystals on dark rock - British Mineralogy, Volume 1 - 1804

Rock packed with fossil bivalves - British Mineralogy, Volume 1 - 1804

Interlocking blocky crystals - British Mineralogy, Volume 2 - 1806

Layered slab with crystal hollow - British Mineralogy, Volume 2 - 1806

Dark banded block and fibrous slab - British Mineralogy, Volume 2 - 1806

Fibrous wedge and dark block - British Mineralogy, Volume 2 - 1806

Pale lump with green crystal outline - British Mineralogy, Volume 2 - 1806

Yellow cubes in dark rock - British Mineralogy, Volume 2 - 1806

Packed pale angular crystals - British Mineralogy, Volume 2 - 1806

Orange wedge crystals in dark rock - British Mineralogy, Volume 2 - 1806

Honeycombed pale brown block - British Mineralogy, Volume 2 - 1806

Pale crystals in dark rock - British Mineralogy, Volume 2 - 1806

Dark crust over pale stone - British Mineralogy, Volume 2 - 1806

Dark rock with crystal cavities - British Mineralogy, Volume 2 - 1806

Burred ball, cubes and small fossils - British Mineralogy, Volume 2 - 1806

Dark splinter, block and lump - British Mineralogy, Volume 2 - 1806