This Is Not A Rock Or Mineral

Conglomerate

Conglomerate (Clastic sedimentary rock)

Nephrite Jade

Nephrite

Moonstone

Orthoclase feldspar ((K,Na)AlSi3O8)

Gneiss

Gneiss (High-grade regional metamorphic rock)

Red Sandstone

Arenite (primarily SiO2 with hematite/iron oxide coating)

Clear Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz (Milky/Clear Quartz)

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz (Rose or Clear variety)

Silicon Dioxide (SiO2)

Lapis Lazuli

Lazurite-rich metamorphic rock (approx. Na6Ca2(Al6Si6O24)(S,SO4,Cl)1,2)

Granite

Granite

Sandstone (likely Quartzose Sandstone)

Arenite (primarily SiO2)

Blue Kyanite

Kyanite (Al2SiO5)

Sunstone

Oligoclase or Andesine (Labradorite) Feldspar (Na,Ca)(Si,Al)4O8

Quartz (specifically Citrine or Yellow Quartz)

Silicon Dioxide (SiO2)

Smoky Quartz (Tumbled)

Silicon Dioxide (SiO2)

Jasper

Silicon Dioxide (SiO2)

White Agate (Chalcedony)

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Granite

Granite (Felsic Plutonic Rock)

Diorite

Diorite (an intrusive igneous rock)

Diorite

Intermediate plutonic igneous rock

Septarian Nodule

Septarian concretion (Complex mixture of Siderite/Limestone, Calcite, and Aragonite)

Quartz (Gravel fragment)

Quartz (Silicon Dioxide, SiO2)

Halite (Rock Salt)

Halite (Sodium Chloride, NaCl)

Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Halite (Rock Salt)

Halite; NaCl (Sodium Chloride)

Sulfur (in host rock)

Native Sulfur (S8)

Halite (Rock Salt)

Halite (NaCl)

Chalcedony in Host Rock

Silicon Dioxide (SiO2)

Quartz Vein Rock

Silicon Dioxide (SiO2)

Quartz (Rock Crystal)

Quartz (SiO₂ - Silicon Dioxide)

Halite (Rock Salt)

Halite (Sodium Chloride, NaCl)

Rock Crystal Quartz

Quartz (SiO₂)

Emerald in Host Rock

Beryl (Be3Al2Si6O18) containing Chromium and/or Vanadium

Halite (Rock Salt)

Halite (Sodium Chloride, NaCl)

Halite (Rock Salt)

Halite (Sodium Chloride, NaCl)

Halite (Rock Salt)

Halite (Sodium Chloride, NaCl)

Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Red Sandstone

Arenite (primarily composed of SiO2 with Fe2O3 cement)

Sandstone

Arenite (primarily composed of SiO2)