Mineral Within Sedimentary Rock

Pyrite

Iron Pyrite (FeS2)

Conglomerate

Clastic Conglomerate (Lithic-rich)

Fossiliferous Limestone

Biogenic Limestone (Calcium Carbonate, CaCO3)

Limestone (specifically Dolomitic/Crystalline Limestone)

Sedimentary Carbonate Rock (CaCO3 / CaMg(CO3)2)

Ferruginous Sandstone (Gritstone)

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

Limestone with Calcite Veining

Calcium Carbonate (CaCO3)

Ferruginous Sandstone (Ironstone)

Sedimentary rock with Limonite/Goethite cement

Painted Pet Rock (Quartzite/Sandstone base)

Silicon Dioxide (SiO2) with anthropomorphic acrylic embellishments

Chert (Flint)

Cryptocrystalline Quartz (SiO2)

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

Chert (Common Opal variant)

Microcrystalline Quartz (SiO2)

Petrified Wood

Silicified Wood (SiO2)

Graphite

Graphite (Carbon, C)

Tiger's Eye

Tiger's Eye (a variety of Chalcedony, which is a microcrystalline quartz with fibrous inclusions of oxidized crocidolite)

Grey River Pebble (Likely Quartz-rich or Limestone)

Clastic Sedimentary Rock (typically SiO2 or CaCO3 based)

Zoisite with Ruby

Anyolite (Calcium aluminum hydroxy silicate with Corundum) Ca2Al3(SiO4)3(OH)

Quartz

Quartz (Silicon Dioxide - SiO2)

Muscovite Mica

Muscovite (Potassium Mica) KAl2(AlSi3O10)(OH)2

Chert (Green variety)

Chert (Silicon Dioxide, SiO2)

Graphite-veined Quartzite

Meta-sedimentary Quartzite with Carbonaceous/Graphitic Inclusions (SiO2 + C)

White Quartz

Quartz (SiO2)

Chert / Flint

Chert (SiO2)

Chert Nodule

Microcrystalline Quartz (SiO2)

Dalmatian Stone

Dalmatian Jasper (actually a Peralkaline Igneous Rock)

Red Scoria (Lava Rock)

Scoria (Vesicular Basalt)

Limestone

Calcium Carbonate (CaCO3)

Chert Nodule (Flint)

Microcrystalline Quartz (SiO2)

Red Jasper

Silicon Dioxide (SiO2) with Hematite impurities

Banded Iron Formation

Banded Iron Formation (BIF)

Quartz Druzy (on Matrix)

Silicon Dioxide (SiO2)

Quartz Veined Siltstone or Graywacke

Clastic Sedimentary Rock with Quartz (SiO2) veining

Travertine

Calcareous Tufa / Travertine (CaCO3)

Milky Quartz

Quartz (SiO2)

Amethyst

Quartz (Silicon Dioxide) with Iron impurities, SiO2

Black Mountain Stone (Seiryu Stone)

Limestone with Calcite veins (CaCO3)

Andesite

Andesite (Intermediate Extrusive Volcanic Rock)

Vesuvianite (Idocrase)

Ca19(Al, Mg, Fe)13(SiO4)10(Si2O7)4(OH, F, O)10

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Chert (Flint)

Microcrystalline Quartz (SiO2)

Chert (Nodule/Common Chert)

Microcrystalline quartz (SiO2)

Dragon Blood Jasper

Epidote with Red Piedmontite (Chalcedony/Quartz variant)

Jasper (Iron-rich Chert)

Silicon Dioxide (SiO2) with impurities of Hematite or Goethite