Fancy Jasper rock specimen

Fancy Jasper

Silicon dioxide (SiO2)

sedimentary

Quartzite River Stone rock specimen

Quartzite River Stone

Quartzite (primarily SiO2)

metamorphic

Quartz (Milky Quartz) rock specimen

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

mineral

Chert (Yellow Jasper/River Rock) rock specimen

Chert (Yellow Jasper/River Rock)

Microcrystalline Quartz (SiO2)

sedimentary

Banded Calcite (Mexican Onyx) rock specimen

Banded Calcite (Mexican Onyx)

Calcite (CaCO3)

mineral

Chert (often called Flint or Jasper) rock specimen

Chert (often called Flint or Jasper)

Microcrystalline silica (SiO2)

sedimentary

Quartzite rock specimen

Quartzite

Quartzite (primarily SiO2)

metamorphic

Chert (containing Flint and Chalcedony) rock specimen

Chert (containing Flint and Chalcedony)

Microcrystalline Quartz (SiO2)

sedimentary

Diorite rock specimen

Diorite

Diorite (Intermediate intrusive igneous rock)

igneous

Jasper and Basalt (Mixed Breccia or Chert) rock specimen

Jasper and Basalt (Mixed Breccia or Chert)

Silicon Dioxide (SiO2) with Ferromagnesian silicates

sedimentary and igneous (mixed)

Rhyolite rock specimen

Rhyolite

Rhyolite

igneous

Chert (Iron-rich) rock specimen

Chert (Iron-rich)

Silicon Dioxide (SiO2) with Hematite (Fe2O3)

sedimentary

Quartz (Milky Quartz Pebbles) rock specimen

Quartz (Milky Quartz Pebbles)

Silicon Dioxide (SiO2)

mineral

Quartzite (or Ferruginous Quartzite) rock specimen

Quartzite (or Ferruginous Quartzite)

Metamorphosed Quartz Sandstone (SiO2 with Fe2O3 impurities)

metamorphic

Quartzite pebble rock specimen

Quartzite pebble

Quartzite (SiO2)

metamorphic

Pink Granite rock specimen

Pink Granite

Coarse-grained intrusive igneous rock (composition: Quartz, Orthoclase Feldspar, Mica)

igneous

White Salt Crystal Lamp (Halite) rock specimen

White Salt Crystal Lamp (Halite)

Halite (Sodium Chloride, NaCl)

mineral

Sandstone (with potentially high Feldspar/Arkose content) rock specimen

Sandstone (with potentially high Feldspar/Arkose content)

Clastic sedimentary rock (SiO2 dominated)

sedimentary

Moonstone (in a halo ring setting) rock specimen

Moonstone (in a halo ring setting)

Orthoclase Feldspar (containing alternating layers of Albite), (KAlSi3O8)

mineral

Chalcedony (Moonstone-like Agate) rock specimen

Chalcedony (Moonstone-like Agate)

Silicon Dioxide (SiO₂)

mineral

Amethyst rock specimen

Amethyst

Amethyst (Silicon Dioxide, SiO2)

mineral

Apache Tear (Obsidian) rock specimen

Apache Tear (Obsidian)

Hydrated volcanic glass (SiO2 with inclusions)

igneous

Apache Tear rock specimen

Apache Tear

Obsidian (Hydrated Volcanic Glass)

igneous

Apache Tear rock specimen

Apache Tear

Hydrated Obsidian (Volcanic Glass)

Igneous

Quartz (River Pebble) rock specimen

Quartz (River Pebble)

Silicon Dioxide (SiO2)

mineral

Quartz Pebble rock specimen

Quartz Pebble

Silicon Dioxide (SiO2)

Mineral

Blue Chalcedony Geode (with Quartz Druzy) rock specimen

Blue Chalcedony Geode (with Quartz Druzy)

Silicon Dioxide (SiO2) - Microcrystalline variety of Quartz

mineral

Fluorite with Quartz coating rock specimen

Fluorite with Quartz coating

Calcium Fluoride (CaF2) with Silicon Dioxide (SiO2)

mineral

Desert Rose (Baryte or Gypsum Rose) rock specimen

Desert Rose (Baryte or Gypsum Rose)

Baryte (BaSO4) or Gypsum (CaSO4·2H2O)

mineral

Celestine (or Celestite) on Matrix rock specimen

Celestine (or Celestite) on Matrix

Celestine (SrSO4)

mineral

Quartz Pebble rock specimen

Quartz Pebble

Silicon Dioxide (SiO2)

mineral

Quartz (Milky and Smoky variety) rock specimen

Quartz (Milky and Smoky variety)

Silicon Dioxide (SiO2)

mineral

Gneiss (Banded Gneiss) rock specimen

Gneiss (Banded Gneiss)

Gneiss

metamorphic

Himalayan Salt (Halite) rock specimen

Himalayan Salt (Halite)

Halite (NaCl) with trace minerals

mineral

Silicon rock specimen

Silicon

Silicon (Si)

mineral

Chakra Stone (Composite / Man-made Bonded Gemstones) rock specimen

Chakra Stone (Composite / Man-made Bonded Gemstones)

Composite of Quartz, Lapis Lazuli, Aventurine, Tiger's Eye, and Jasper (SiO2, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, etc.)

Combined Minerals / Metaphysical stones

Black Jasper rock specimen

Black Jasper

Jasper (Silicon Dioxide, SiO2)

sedimentary

Basalt rock specimen

Basalt

Basalt

igneous

Collection of Minerals and Ores rock specimen

Collection of Minerals and Ores

Various (e.g., Uraninite (U3O8), Carbon (C), Native Gold (Au), Hematite (Fe2O3), Galena (PbS), etc.)

mineral

Bauxite rock specimen

Bauxite

Bauxite (Al(OH)3 mixed with Fe2O3 and clay minerals)

sedimentary

Chert (Iron-Stained) rock specimen

Chert (Iron-Stained)

Silicon Dioxide (SiO2)

sedimentary

Chert (Jasper-bearing) rock specimen

Chert (Jasper-bearing)

Microcrystalline silica (SiO2) with iron oxide inclusions

sedimentary