Sedimentary (Chemically Precipitated Mineral)

Orange Calcite

Calcium Carbonate (CaCO3)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Malachite

Copper(II) carbonate hydroxide, Cu2CO3(OH)2

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Ferruginous Breccia

Breccia with Iron-rich (Hematite/Goethite) Matrix

Chert (Nodule)

Silicon dioxide (SiO2) - Cryptocrystalline Quartz

Coquina

Biogenic Limestone (Coquina)

Orange Calcite

Calcium Carbonate (CaCO3)

Banded Chert / Flint

Silicon dioxide (SiO2)

Sandstone

Arenite (SiO2 based)

Fossiliferous Limestone with Rugose Coral

Calcite (CaCO3) containing a Rugosa (Horn Coral) fossil

Ocean Jasper

Orbicular Jasper (Silicon Dioxide SiO2)

Oolitic Limestone (Egg Stone)

Oolite (Chemical sedimentary rock, primarily CaCO3)

Ferruginous Sandstone (Ironstone Nodules)

Ferruginous Sandstone with Limonite/Goethite coating (Fe2O3·H2O)

Banded Onyx (Green Onyx)

Banded Calcite or Travertine (CaCO3)

Moqui Marble (Ironstone Concretion)

Goethite/Hematite Concretion (Fe2O3 / FeO(OH))

Banded Iron Formation (BIF)

Banded Iron Formation with Hematite and Jasper

Conglomerate

Conglomerate (a clastic sedimentary rock)

Jasper with Quartz Druzy

Silicon Dioxide (SiO2)

Chert (Iron-stained)

Microcrystalline Quartz (SiO2)

Ferruginous Sandstone (Gritstone)

Clastic sedimentary rock with iron-rich cement (FeO(OH)·nH2O)

Coquina Limestone (Fossiliferous Limestone)

Calcareous bioclastic sedimentary rock (CaCO3)

Limestone

Calcium Carbonate (CaCO3)

Orange Calcite

Calcite (Calcium Carbonate, CaCO3)

Ferruginous Sandstone (Gritstone)

Arenite with Iron-Oxide Cement (SiO2 with Fe2O3 and FeO(OH))

Septarian Nodule Segment (Commonly known as Dragon Stone or Lightning Stone)

Septarian Nodule (CaCO3 / Hydrated Calcium Carbonate)

Aragonite Star Cluster

Aragonite (Calcium Carbonate, CaCO3)

Chert (Flint)

Microcrystalline Quartz (SiO2)

Jasper (Iron-stained Chert)

Silicon Dioxide (SiO2) with iron oxide inclusions

Chert (River Pebble)

Microcrystalline Quartz (SiO2)

Iron Ore (Hematite/Magnetite mixture)

Ferrous Oxide (Fe2O3 / Fe3O4)

Agate (specifically Botswana or Lake Superior style chalcedony)

Silicon Dioxide (SiO2)

Sandstone (Picture Sandstone)

Arenite (primarily SiO2)

Agate (Beads)

Silicon Dioxide (SiO2)

Ocean Jasper

Orbicular Jasper (Silicon Dioxide, SiO2)

Native Gold (in earring form)

Gold (Au)

Quartz (Vein Quartz)

Silicon Dioxide (SiO2)

Yellow Ochre / Limonite

Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)

Quartz

Silicon Dioxide (SiO2)

Jasper

Silicon dioxide (SiO2) with iron impurities

Aragonite

Aragonite (Calcium Carbonate - CaCO3)

Dalmation Stone (Dalmation Jasper)

Peralkaline rock (primarily Feldspar and Quartz with Arfvedsonite spots)