Sedimentary Rock (Possibly Conglomerate Or Breccia With A Quartz Vein)

Chalcedony in Host Rock

Chalcedony (SiO2)

Likely milky quartz with iron-oxide inclusions

Quartz, silicon dioxide (SiO₂)

Ferruginous Quartz

Silicon Dioxide (SiO2) with Hematite/Limonite impurities

River Pebble (Quartz/Sandstone)

Silicon Dioxide (SiO2) Mix

Milky Quartz

Silicon Dioxide (SiO2)

Iron-stained weathered stone (tentative)

Undetermined; possibly weathered iron-rich basalt or concretion

Red Jasper with Quartz

Silicon Dioxide (SiO2) with Hematite impurities

Basalt River Pebble (with Quartz Vein)

Basalt (Mafic Volcanic Rock)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Honey Calcite (Yellow Calcite)

Calcium Carbonate (CaCO3)

Chert (Arrowhead/Tool variety)

Microcrystalline Quartz (SiO2)

Milky Quartz

Quartz (SiO2)

Tumbled brown chalcedony (possibly carnelian or jasper)

Microcrystalline quartz, SiO₂; likely iron-stained chalcedony

Dragon Vein Agate

Chalcedony (cryptocrystalline Quartz), SiO2

Basalt with Quartz Vein and Weathering Crust

Amygdaloidal or Porphyritic Basalt

Wishing Stone (Basalt with Quartz Vein)

Basalt with Hydrothermal Quartz Infill (SiO2)

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Quartz-bearing metamorphic rock, likely garnet-mica schist

Quartz–mica schist with probable garnet and iron-oxide minerals

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Red Jasper (with Quartz inclusion)

Silicon Dioxide (SiO2) with Iron Oxide impurities

Ferruginous Sandstone (Gozzan)

Iron-rich clastic sedimentary rock with Limonite/Goethite

Milky Quartz

Silicon Dioxide (SiO2)

Orange chalcedony or weathered quartz pebble

Microcrystalline quartz, SiO₂; possibly iron-oxide-stained chalcedony

Quartz (Chalcedony / Rough Quartz Pebble)

Silicon Dioxide (SiO2)

Flint or chert

Microcrystalline quartz (SiO₂), commonly with chalcedony

Chert or chalcedony fragment

Microcrystalline quartz (SiO₂), possibly jasper or agate

Vesicular basalt (possibly amygdaloidal basalt)

Basalt, chiefly plagioclase feldspar and pyroxene, with possible olivine and secondary mineral infillings

Small brown-gray mineral fragment

Indeterminate; possibly weathered quartz-, feldspar-, or iron-oxide-bearing rock

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Ferruginous Quartz (Red Quartz)

Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)

Weathered quartz-rich rock, likely quartzite

Quartzite; predominantly crystalline SiO₂, possibly iron-oxide stained

Brecciated jasper, possibly rainforest jasper

Jasper: microcrystalline to cryptocrystalline quartz, SiO₂, commonly containing hematite, goethite, chlorite, epidote, and other iron- and manganese-bearing minerals

Siltstone/Sandstone (possibly Wonderstone or Picture Sandstone)

Clastic Sedimentary Rock (primarily SiO2 with Iron Oxide inclusions)

Greywacke with Quartz Veins

Lithic Sandstone (Greywacke) with SiO2 inclusions

Jasper with Epidote Vein

Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate (Ca2(Al,Fe)3(SiO4)3(OH))

Quartz (Milky or Common Quartz)

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Mixed Mineral Assortment (Pyrite, Kyanite, Agate, Jasper)

FeS2 (Pyrite), Al2SiO5 (Kyanite), SiO2 (Agate/Jasper)

Weathered granite or granitic gneiss

Granite; predominantly quartz, feldspar, and mica, possibly altered to gneiss