Mineral Side Rock

Amethyst

Crystalline Quartz (SiO2 with iron impurities)

Milky quartz (possibly smoky/iron-stained quartz)

Quartz, silicon dioxide (SiO₂)

Clear Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Garnet

Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)

Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Clear Quartz

Silicon dioxide (SiO2)

Amethyst

SiO2 (Silicon Dioxide with Iron impurities)

Amethyst

Amethyst (Silicon Dioxide, SiO2 with Iron impurities)

Almandine Garnet in Matrix

Almandine Garnet (Fe3Al2(SiO4)3) in Schist/Quartz Matrix

Pink-and-white quartz-rich rock, likely rose quartz or quartzite

Quartz (SiO₂), possibly rose-quartz-bearing quartzite; minor iron-oxide staining

Sand Tiger Shark Tooth (Fossil)

Carcharias taurus (fossilized dentin/enameloid)

Quartz crystal cluster

Quartz, silicon dioxide (SiO₂); likely pale amethyst or iron-stained quartz

Likely smoky quartz or quartz-rich tumbled fragment

Quartz, silicon dioxide (SiO₂), possibly smoky quartz

Rough quartz crystal cluster

Quartz (silicon dioxide, SiO₂), likely milky or included quartz

Quartz (Milky/Clear variety)

Silicon Dioxide (SiO2)

Septarian Nodule

Septarian Concretion

Acrylic or Resin (Synthetic Imitation)

Polymethyl Methacrylate (PMMA) or Polyepoxide

Fossilized Echinoid (Sea Urchin)

Echinoidea (Fossil)

Emerald

Beryl (Be3Al2(SiO3)6) colored by Chromium and/or Vanadium

Amethyst on Quartz

Crystalline Silicon Dioxide with trace amounts of Iron (SiO2 + Fe3+)

Clear Quartz Crystal

Silicon dioxide (SiO2)

Red Garnet (Pyrope or Almandine)

Magnesium aluminum silicate (Mg3Al2(SiO4)3) or Iron aluminum silicate (Fe3Al2(SiO4)3)

Black Tourmaline (Schorl)

Sodium Iron Aluminum Borate Silicate (NaFe3Al6(BO3)3Si6O18(OH)4)

Clear Quartz Crystal

Silicon Dioxide (SiO2)

Amethyst

Quartz (Silicon Dioxide) with Ferric Iron impurities - SiO2

Amethyst cluster

Quartz, silicon dioxide (SiO₂), purple variety

Amethyst cluster

Amethyst, purple quartz (SiO₂)

Amethyst cluster

Quartz, silicon dioxide (SiO₂), purple variety colored mainly by iron-related defects

Rough Garnet (likely Almandine or Pyrope)

Garnet group; Almandine Fe3Al2(SiO4)3 or Pyrope Mg3Al2(SiO4)3

Clear Quartz (Herkimer Diamond variant)

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Amethyst Cluster

Silicon Dioxide with Iron impurities (SiO2)

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Pink Tourmaline (Rubellite)

Rb:Na(Li,Al)3Al6(BO3)3Si6O18(OH)4 (Elbaite variety)

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Emerald

Beryl (Be₃Al₂(SiO₃)₆) with Chromium or Vanadium impurities

Garnet (Almandine)

Almandine Garnet (Fe3Al2(SiO4)3)

Clear Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Amethyst Cluster

Amethyst (Silicon Dioxide), chemical formula: SiO2

Clear Quartz

Silicon Dioxide (SiO2)

Amethyst

Silicon Dioxide with Iron impurities (SiO2)