Albite
Amazonite
Apatite
Azurite
Barite
Bornite
Calcite
Calcite - Optical
Chrysocolla
Corundum blue
Corundum red
Epidote
Feldspar
Fluorite cube (8 sided cleavage)
Galena (Pieces ½ to 1")
Garnet (Approx. ½")
Gypsum (Gypsum Roses)
Gypsum (Selenite)
Graphite
Halite
Hematite
Hornblende
Hornblende (showing both directions of cleavage)
Kaolinite
Magnetite (Lodestone var.)
Mica -Biotite
Mica - Muscovite
Olivine bombs (Olivine with Basalt)
Pyrite

Quartz - Agate
Quartz -Bull Quartz
Quartz - Chert - Red Banded
Quartz -Crystal - Amethyst
Quartz - Crystal - Citrine
Quartz -Crystal - Clear
Quartz - Jasper
Quartz - Rose
Schorl
Serpentinite
Sodalite
Sulfur
Sylvite
Talc
Topaz Crystal (1/2" approx)
Ulexite - Cut -not polished

Andesite
Basalt
Conglomerate
Conglomerate -Jasper (Non reactive with acid)
Diorite
Dolomite
Gabbro
Gneiss
Granite
Limestone -Fossil ferrous
Limestone - Micrite
Limestone- Oolitic
Marble
Obsidian
Pumice
Quartzite
Rhyolite
Sandstone
Soapstone
Schist
Scoria
Shale
Slate
Tuff -Bishop Tuff
Tufa

FOSSILS

Ammonite
Braciopod
Clam Fossil
Coral
Crinoid Stem
Diatomite
Dinosaur Bone
Mammal Bone
Pelecypod Shell
Petrified Wood
Shark Tooth
Trilobite