Banded Agate in volcanic matrix
Hematite with slickenside surface
Fossil sea urchin (Echinoid) with dendrites
Limestone with manganese dendrites
Prismatic Orthoclase crystal
Chromite with Uvarovite
"Crocodile Jasper" (orbicular Rhyolite)
Massive hexagonal prism of Ruby (var. Corundum)
Worm-like habit Calcite (Madan, Bulgaria)
Bladed Baryte cluster on sulfide matrix
Cluster of stacked Vanadinite crystals (Morocco)
Spectacular sodalite syenite from Brazil
Botryoidal amethystine Quartz ('Grape Agate')
Botryoidal amethystine Quartz ('Grape Agate')
Rhodochrosite (Argentina)
Cobalt-bearing Dolomite (Cobaltoan Dolomite)
Stalactitic Malachite (DR Congo)
Lapis Lazuli (Afghanistan)
Botryoidal Malachite (DR Congo)
Divergent elongated Scolecite (Brazil)
Zebra Calcite (Mexico)
Pseudo-stromatolite from Morocco
Glendonite (Calcite pseudomorph after Ikaite)
Quartzitic sericite-chlorite Schist