Sedimentary Rock Or Mineral (Depending On Origin And Purity)

Sandstone

Arenite

Sandstone with Quartz Veins

Arenite (primarily SiO2 with Fe2O3 staining)

Rutilated Quartz

Quartz (SiO2) with Rutile (TiO2) inclusions

Chert (Jasper variety)

Silicon Dioxide (SiO2)

Granite (specifically Pink Granite)

Phaneritic Plutonic Rock (High Potassium Feldspar Granite)

Sandstone (Iron-stained)

Arenite (composed primarily of SiO2 with Fe2O3 staining)

Sandstone (with Iron Staining)

Clastic sedimentary rock (primarily SiO2 with Fe2O3 oxides)

Banded Slate or Siltstone with Quartz/Calcite Veins

Protolith-derived Siltstone or Slate (varies based on degree of metamorphism)

Sandstone (Ferruginous)

Clastic Sedimentary Rock (SiO2 with Fe2O3/FeOOH cement)

Smoky Quartz

Silicon Dioxide (SiO2)

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide inclusions (Hematite/Limonite)

Jasper (Tumbled)

Silicon Dioxide (SiO₂)

Chert (often called Flint or Jasper depending on color)

Chert (SiO2 - Microcrystalline or Cryptocrystalline Quartz)

Sandstone

Sandstone (Sedimentary rock composed of silicate grains)

Blue Chalcedony

Chalcedony (a cryptocrystalline variety of Quartz - SiO₂)

Sandstone

Arenite (primarily SiO2)

Quartz Geode

Silicon Dioxide (SiO2)

Mica Group Minerals

There isn't a single scientific name as 'Mica' refers to a group of phyllosilicate minerals. Common scientific names include Muscovite (KAl₂ (AlSi₃O₁₀)(OH)₂), Biotite (K(Mg,Fe)₃AlSi₃O₁₀(OH)₂), Phlogopite (KMg₃AlSi₃O₁₀(OH)₂), and Lepidolite (K(Li,Al)₃(Al,Si,Rb)₄O₁₀(F,OH)₂).

Red Sandstone

Sandstone (principally Quartz with Iron Oxide coating)

Granite

Granite (a plutonic igneous rock composed primarily of quartz, feldspar, and mica)

Chert (or possibly Flint)

SiO2 (Silicon Dioxide)

Veined Limestone (Micrite) with Quartz/Calcite Veins

Calcium Carbonate (CaCO3) with Silicate or Carbonate inclusions

Quartz (River Pebble)

Quartz (Silicon Dioxide, SiO2)

Ferruginous Quartz (Iron-stained Quartz)

Silicon Dioxide (SiO2) with Hematite/Goethite inclusions

Sandstone

Clastic sedimentary rock (primarily SiO2)

Man-made Ceramic / Clay Figurine

Aluminosilicate Ceramic (Processed Clay)

Gold Nugget

Native Gold (Au)

Sandstone

Arenite (composed mainly of SiO2)

Unakite

Epidotized Granite

Granite

Granite (a common term for a felsic intrusive igneous rock)

Quartzite pebble

Metamorphic Quartzite (primarily SiO2)

Quartzite Pebble

Quartzite (principally SiO2)

Sandstone (specifically Banded Sandstone)

Clastic sedimentary rock (primarily 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

Slag (Industrial Glass)

Anthropogenic Amorphous Vitreous Silicate

Yellow Aventurine

Quartzite with Muscovite/Sericite inclusions (SiO2)

Quartzite Pebble

Quartzite (SiO2)

Concretion or Geode (unbroken)

Varied (depending on mineral composition and cementing agent). For quartz-lined geodes, the scientific name of the dominant mineral would be Quartz (SiO2). For calcite-lined geodes, Calcite (CaCO3). Concretions are often composed of cryptocrystalline quartz (chert), calcite, or iron oxides.

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Basalt

Basalt

Unakite

Epidote-Feldspar rock

Sandstone (Banded Sandstone)

Clastic Sedimentary Rock (primarily SiO2 with iron oxide impurities)