Sedimentary (Secondary Mineral) Within Igneous

Basalt with Garnet inclusions

Basalt containing Nesosilicate (Garnet Group, likely Almandine Fe3Al2Si3O12)

Chert (Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Quartz (Milky or Druzy Quartz)

Silicon Dioxide (SiO2)

Kimberlite with Diamond

Kimberlite (Diamond formula: C)

Granite

Granite (Silicic Plutonic Rock)

Granite

Phaneritic Felsic Igneous Rock (Granite)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Carnelian (Chalcedony)

Silicon Dioxide (SiO2)

Quartz (Clear Quartz)

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Diamond in Kimberlite

Kimberlite host rock with C (Carbon) inclusion

Fluorite

Fluorite (Calcium Fluoride, CaF2)

Chert (Jasper)

Microcrystalline Quartz (SiO2) with Iron Oxide impurities

Mahogany Obsidian

Volcanic Glass (predominantly SiO2 with Fe2O3 inclusions)

Sandstone (Ferruginous)

Arenite (with iron oxide cement)

Gneiss

Gneiss (Metamorphic rock composed primarily of quartz, feldspar, and mica)

metamorphic

Brown Agate

Silicon Dioxide (SiO2)

White Quartz

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Pyrite

Iron Sulfide (FeS2)

Carnelian

SiO2 (Microcrystalline Quartz / Chalcedony)

Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Carnelian

Carnelian (a variety of Chalcedony), SiO2 (Silicon Dioxide)

Rough Quartz (likely Rose or Smoky variant)

Silicon Dioxide (SiO2)

Epidote

Epidote (Ca2(Al,Fe)3(SiO4)3(OH))

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Yellow Agate

Agate (Varietal form of Chalcedony/Quartz, SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

White Zircon

Zircon (Zirconium silicate, ZrSiO4)

Carnelian (Orange Chalcedony)

Silicon Dioxide (SiO2) with iron oxide impurities

Pyrite in Quartz

Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Pumice or Tufa/Travertine

Pumice (if igneous) or Calcareous Tufa (if sedimentary)

igneous/sedimentary

Gneiss (specifically Granite Gneiss)

Gneiss (High-grade Regional Metamorphic Rock)

metamorphic

Limonite with Opal infusion

FeO(OH)·nH2O (Limonite) / SiO2·nH2O (Opal)

Jasper with Agate and Quartz Inclusions

Silicon Dioxide (SiO2) - Chalcedony / Quartz aggregate

Sandstone (likely with Borings or Vesicular Basalt)

Clastic Sedimentary Rock (Sandstone)

Strawberry Quartz

Silicon Dioxide (SiO2) with inclusions of Goethite or Hematite

Mineral

Biotite (Mica)

Biotite group (K(Mg,Fe)3AlSi3O10(F,OH)2)