Mineral Or Sedimentary Rock (With Mineral Inclusions)

Orange Calcite

Calcium Carbonate (CaCO3)

Ruby in Fuchsite

Corundum (Al2O3) in Fuchsite (K(Al,Cr)3Si3O10(OH)2)

Jasper (Red Jasper with Quartz veins)

Jasper (Silicon Dioxide, SiO2)

Sandstone (Quartzite-rich)

Clastic Sedimentary Rock (primarily SiO2)

Sandstone

Arenite (predominantly Quartz Sandstone)

White Chalcedony (likely Common Opal or Milky Quartz)

Silicon Dioxide (SiO2)

Yellow Jasper

Silicon Dioxide (SiO2) - variety Jasper

Sandstone

Arenite (SiO2 based with quartz grains)

Yooperlite (Sodalite-bearing Syenite)

Sodalite-rich Syenite

Piddock bored rock (likely Mudstone or Shale)

Ichnofossil (Gastrochaenolites borings) in Fine-grained Sedimentary Rock

Quartz Druzy on Geode Fragment

Silicon Dioxide (SiO2)

Jasper (River pebble)

Jasper / Silicon Dioxide (SiO2)

Garnet Schist

Garnet-bearing Mica Schist (variety of compositions, often Al2SiO5 with X3Y2(SiO4)3)

Sandstone

Clastic Sedimentary Rock (primarily Quartz, SiO2)

Peach Aventurine

Silicon Dioxide (SiO2) with inclusions

Sandstone (specifically Lithic or Quartz Arenite)

Arenite (composed primarily of SiO2)

Red Sandstone Pebble

Arenite (primarily Quartz SiO2 with Hematite Fe2O3 staining)

Granite

Phaneritic Igneous Rock (composed primarily of Quartz SiO2, Alkali Feldspar (K,Na)AlSi3O8, and Plagioclase Feldspar)

Banded Sandstone

Arenite with Liesegang banding

Blue Goldstone

Aventurine Glass

Septarian Nodule

Septarian Nodule (Mixture of Calcite, Aragonite, and Limestone/Clay)

Sandstone (likely Quartzose Sandstone)

Arenite (composed primarily of SiO2)

Specular Hematite with Pyrite

Iron Oxide (Fe2O3) with Iron Sulfide (FeS2)

Goethite (Iron Ore)

Goethite (FeO(OH))

Red Jasper (Tumbled)

Silicon Dioxide (SiO2) with iron oxide inclusions

Gneiss

Gneiss

Yellow Jasper (Limonite-stained Chert)

Silicon Dioxide (SiO2) with Limonite/Goethite inclusions

Shale with Iron Oxide Staining

Fissile Mudstone (primarily clay minerals and quartz)

Jasper

Silicon dioxide (SiO2) with iron oxide inclusions

Ferruginous Quartz (Iron-stained Quartzite)

Silicon Dioxide (SiO2) with iron oxide inclusions

Sandstone (with potentially metamorphic or basaltic bands)

Arenite / Lithic Wacke

Quartz (variety of colors)

SiO2 (Silicon Dioxide)

Red Sandstone

Arenite (predominantly Quartz with Hematite cementation)

Clear Quartz Crystal

Quartz (Silicon Dioxide, SiO2)

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Ironstone Concretion / Limonite-stained Siltstone

Ironstone (primarily Limonite FeO(OH)·nH2O and Siltstone)

Conglomerate

Conglomerate (clastic sedimentary rock)

Red Jasper

Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)

Sandstone (likely Quartzose Sandstone)

Clastic Sedimentary Rock (primarily SiO2)

Green Jasper

Silicon Dioxide (SiO2) with iron silicate inclusions

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Halite (Rock Salt)

Halite (Sodium Chloride, NaCl)