Sedimentary (Secondary Mineral) Within Igneous

K2 Jasper (K2 Granite)

Granite with Azurite inclusions (SiO2 + Cu3(CO3)2(OH)2)

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide, SiO2)

Carnelian

Carnelian (SiO2 with Iron Oxide impurities)

Turquoise

Turquoise (Hydrated phosphate of copper and aluminium), CuAl6(PO4)4(OH)8·4H2O

Turquoise

Turquoise - CuAl6(PO4)4(OH)8·4H2O

Turquoise

Hydrous phosphate of copper and aluminium - CuAl6(PO4)4(OH)8·4H2O

Quartz Geode

Quartz (Silicon Dioxide, SiO2) Geode

Geode (Chert or Quartz Nodule)

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Blue Calcite

Calcium Carbonate (CaCO3)

Green Calcite

Calcium Carbonate (CaCO3)

Orange Calcite point

Calcite (Calcium Carbonate, CaCO3)

Blue Calcite

Calcium Carbonate (CaCO3)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz Geode (with possible Manganese or Goethite coating)

Silicon Dioxide (SiO2)

Basalt with Quartz Vein

Extrusive Igneous Rock / Volcanic Rock

Chert (Jasper/Flint variant)

Silicon Dioxide (SiO2)

Turquoise

Hydrate phosphate of copper and aluminium, CuAl6(PO4)4(OH)8·4H2O

Amygdaloidal Basalt with Secondary Minerals

Basalt containing secondary mineralization (likely Chlorite, Celadonite, or Zeolites)

Weathered granitoid (likely granite or granodiorite)

Granite–granodiorite; primarily quartz, feldspar, and mica

Agate

Chalcedony (SiO2) with impurities

Tumbled pink feldspar-rich stone

Likely microcline feldspar (KAlSi₃O₈), possibly granite or quartz-feldspar pegmatite

Agate

Banded Chalcedony (SiO2 - Silicon Dioxide)

Jasper with Quartz Vein

Microcrystalline quartz (SiO2) and chalcedony with a quartz vein

Honey Calcite Geode Segment

Calcite (Calcium Carbonate, CaCO3)

Turquoise with Pyrite

Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O] with Iron Pyrite (FeS2)

Sandstone Concretion with Quartz Center

Sedimentary Clastic Rock (SiO2 matrix with Quartz core)

K2 Jasper (K2 Granite)

Azulite in Granite (Quartz + Feldspar + Biotite + Azurite)

Dragonstone (Brecciated Basalt/Diabase with Epidote and Quartz)

Brecciated mafic igneous rock

Sandstone (with Quartz veining)

Arenite (primarily SiO2)

Chert (Flint) with Quartz Vein

Silicon Dioxide (SiO2)

Chrysocolla

Hydrated copper phyllosilicate, Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O)

Sandstone with Iron Staining

Arenite with Limonite/Hematite inclusions (SiO2 + Fe2O3/FeO(OH))

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic Extrusive)

Turquoise

Hydrated copper and aluminum phosphate (CuAl6(PO4)4(OH)8·4H2O)

Turquoise

Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O

Honey Calcite

Calcium Carbonate (CaCO3)

Blue Calcite

Calcium Carbonate (CaCO3)

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Dyed Agate

Chalcedony (SiO2)

Orange Calcite

Calcium Carbonate (CaCO3)

Orange Calcite

Calcium Carbonate (CaCO3)