Anthropogenic (Man Made Material Processed By Nature)

Picture Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Jasper

Jasper (Silicon Dioxide, SiO2)

Sandstone (specifically Arkose or Quartz Arenite)

Arenite (primarily SiO2 with possible Feldspar)

Jasper with Manganese Dendrites

Silicon Dioxide (SiO2) with Oxide Mineral Inclusions

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Coquina / Fossiliferous Limestone

Calcareous bioclastic sedimentary rock (CaCO3)

Bauxite

Bauxite (Al(OH)3, AlO(OH))

Chalk

CaCO3 (primarily Calcium Carbonate), biogenic sedimentary rock

Artificial Rock Face (Faux Rock)

Glass Fiber Reinforced Concrete (GFRC)

Petrified Wood

Silicified Wood (SiO2)

Granite

Phaneritic Igneous Rock (composed mostly of Quartz, Alkali Feldspar, and Plagioclase)

Gold Mineral

Native Gold (Au)

Pyrite

Iron Disulfide (FeS2)

Red Jasper (Polished)

Silicon Dioxide (SiO2) with Hematite inclusions

Chert (specifically Jasper or Flint variety)

Cryptocrystalline Quartz (SiO2)

BROWN GRANITE (likely 'Tan Brown' or similar)

Granite (specifically a variety rich in orthoclase feldspar, often with biotite and possibly hornblende)

Jasper

Silicon dioxide (SiO2)

Red Jasper (River Siltstone)

Silicon Dioxide (SiO2) with iron oxide inclusions

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Dyed Chalcedony (Agate)

Silicon Dioxide (SiO2) with artificial pigment

River Stone (Basalt Porphyry)

Porphyritic Basalt

Beaded Jewelry (Assorted Gemstones)

Various minerals, including but not limited to Quartz (SiO2), Garnet (X3Y2(SiO4)3), Jade (Na(Al,Fe)Si2O6), Amethyst (SiO2),等の多様な組み合わせ

Slag (Industrial Glassy Byproduct)

Ferro-silicate Slag

Wishing Stone with Quartz Vein

Hydrothermal Quartz Vein in Metasedimentary Matrix (primarily SiO2)

Garden Quartz (Lodolite)

Quartz with inclusions (SiO2 + various inclusions such as Chlorite, Hematite, or Feldspar)

Quartz on Host Rock

Silicon Dioxide (SiO2)

Black Tourmaline (Schorl)

Sodium Iron Aluminum Borosilicate (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)

Jasper

Jasper (Silicon Dioxide, SiO2)

Jasper

Jasper (Silica-rich microcrystalline Quartz, SiO2 with Fe2O3 impurities)

Banded Calcite (often commercially sold as 'Mexican Onyx' or 'Honey Onyx')

Calcite (Calcium Carbonate, CaCO3)

Pearl (Biogenic Mineraloid)

Calcium carbonate (Aragonite) and Conchiolin, CaCO3

Sandstone (Quartzose Sandstone)

Clastic sedimentary rock (primarily SiO2)

Red Jasper

Silicon Dioxide (SiO2)

Chert (Flint)

Microcrystalline Quartz (SiO2)

River Rock (River Cobbles)

Fluvial Conglomerate Clasts (primarily composed of various minerals such as Quartz, SiO2)

Chert (Jasper/Quartzite river stone)

Microcrystalline Silicon Dioxide (SiO2)

Granite

Granite (a common rock type, not a single mineral with a formula. Composed primarily of quartz, feldspar, and mica/amphibole).

Marble

Marble (metamorphosed limestone/dolostone). Predominantly composed of Calcite (CaCO3) for marble derived from limestone, or Dolomite (CaMg(CO3)2) for marble derived from dolostone.

Polychrome Jasper

Silicon Dioxide (SiO2) with iron and other mineral inclusions

Red Jasper

Silicon dioxide (SiO2) with iron oxide inclusions

Black Jasper (Black Onyx substitute)

Silicon Dioxide (SiO2) with carbonaceous impurities

Yellow Jasper

Silicon Dioxide (SiO2) with Goethite/Iron oxide impurities