Mineral Or Sedimentary Rock (With Mineral Inclusions)

Dalmatian Jasper

Peralkaline rhyolite

Sandstone (Quartzose Sandstone)

Clastic Sedimentary Rock (primarily SiO2)

Jasper with Quartz inclusions

Silicon Dioxide (SiO2) with varying mineral impurities

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Small rounded limestone pebble

Limestone, predominantly calcite (CaCO₃), possibly fossiliferous or oolitic

Milky quartz vein fragment

Quartz (silicon dioxide, SiO₂), massive or granular variety

Limonitic Sandstone with Inclusion

Limonitic Quartz Sandstone (primarily SiO2 with FeO(OH)·nH2O)

Mica Schist

Mica Schist (predominantly Muscovite or Biotite sheet silicates)

Quartz (Druzy Quartz)

Silicon Dioxide (SiO2)

Sandstone (Ferruginous)

Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)

Agate (specifically Chalcedony nodule)

Silicon Dioxide (SiO2)

Chalcedony Agate / Carnelian nodules in Matrix

SiO2 (Silicon Dioxide) with iron oxide inclusions

Polished red jasper

Jasper, microcrystalline quartz (SiO₂), colored by iron oxides and commonly mixed with chalcedony or other minerals

Sandstone (Quartzose)

Arenite (Formula: SiO2 primary, with various cements)

Brecciated Jasper

Silicon Dioxide (SiO2) with hematite and other mineral impurities

Tumbled milky quartz

Quartz (silicon dioxide, SiO₂)

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Jasper (likely Ocean Jasper or Variegated Jasper)

Silicon Dioxide (SiO2) with impurities

Banded Gneiss

Gneiss (Metamorphic Rock)

Red Sandstone

Arenite (primarily SiO2 with hematite/iron oxide coating)

Sandstone

Arenite (Sedimentary rock composed of sand-sized grains)

Sandstone (with garnet granules)

Clastic sedimentary rock (primarily SiO2 with Fe3Al2(SiO4)3 inclusions)

Granite Pebble

Intrusive Igneous Rock

Sandstone (likely Quartzose Sandstone pebble)

Arenite (primarily SiO2)

Basalt with Olivine Phenocrysts

Aphanitic Mafic Volcanic Rock (Basalt)

Turquoise

Turquoise (CuAl6(PO4)4(OH)8·4H2O)

Brecciated Agate / Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Picture Jasper

Silicon Dioxide (SiO2) with iron oxide and clay inclusions

Granite

Intrusive Felsic Igneous Rock

Dragon Blood Jasper

Epidote with Red Jasper (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))

Dendritic Chert

Silicon Dioxide with Manganese Oxide Inclusions (SiO2 + MnO2)

Blue Quartz

Silicon Dioxide (SiO2) with inclusions

Weathered sandstone

Quartz-rich clastic sandstone, likely ferruginous arkose or litharenite

Gneiss (Metamorphic Rock)

Gneiss

Green Jasper / Chert Pebbles

Microcrystalline Quartz (SiO2)

Sandstone (specifically Arkose or Ferruginous Sandstone)

Sandstone (SiO2 with iron oxide inclusions)

Agate (Chalcedony)

Silicon Dioxide (SiO2)

Amygdaloidal Basalt with Epidote

Vesicular Basalt with secondary Epidote/Quartz mineral infill

Sandstone

Arenite (composed primarily of SiO2)

Tumbled quartz

Quartz (silicon dioxide, SiO₂)

Tumbled quartz (rock crystal)

Quartz, silicon dioxide (SiO₂)