Mineral Health

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

Quartzwacke / Impure Sandstone

Arenite with minor lithic fragments (Silicon Dioxide matrix)

Conglomerate

Conglomerate (clastic sedimentary rock)

Sandstone (Quartzose)

Arenite (primarily SiO2)

Garnet

Garnet Group (Silicate Minerals), formula varies e.g., Almandine Fe3Al2(SiO4)3

Mica (Lepidolite or Muscovite)

Phyllosilicate mineral (KAl2(AlSi3O10)(OH)2 for Muscovite)

Himalayan Pink Salt

Halite (NaCl) with trace minerals (Iron, Magnesium, Potassium)

Tumbled Stone Collection (featuring Tiger's Eye, Rose Quartz, and Moss Agate)

Mixed Silicates and Oxides (predominantly SiO2 group minerals)

Quartz / Quartzite

Silicon Dioxide (SiO2)

Polished Black Obsidian

Volcanic Glass (70-75% SiO2)

Quartz

Silicon Dioxide (SiO2)

Yellow Aventurine (specifically a carved crescent moon)

Silicon Dioxide (SiO2) with inclusions

Quartz (Small Fragment)

Silicon Dioxide (SiO2)

Fossilized Shark Tooth

Carcharodon carcharias (fossilized) / Hydroxyapatite permineralized with silica or iron

Quartz Geode

Silicon Dioxide (SiO2)

Desert Rose (Gypsum Rose)

Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O

Granite

Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)

Emerald (Beryl)

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

Granite or Granitic Gneiss River Rock

Granite / Gneiss

Barite

Barium Sulfate (BaSO4)

Martian Meteorite (Black Beauty)

NWA 7034 (Northwest Africa 7034)

Quartzite River Rock

Quartzite (primarily SiO2)

Basalt with Sulfide/Pyrite inclusion

Aphanitic Mafic Igneous Rock (likely Basalt) with Pyrite (FeS2)

Sandstone (Ferruginous)

Arenite with Iron Oxide cement

Fossilized Fish (Lepidotes)

Lepidotes sp. (Order: Lepisosteiformes)

Glauconite (Glauconitic Sandstone)

Glauconite [(K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2]

Amethyst (Agate/Chalcedony variety)

Silicon Dioxide (SiO2) with iron impurities

Milky and Citrine-type Quartz

Silicon Dioxide (SiO2)

Chlorite Phantom Quartz

Silicon Dioxide (SiO2) with Chlorite group inclusions [(Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6]

Quartz (Citrine)

Silicon Dioxide (SiO2)

Druzy Quartz on Matrix

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Amazonite

Microcline (KAlSi3O8) with trace Lead (Pb)

Amazonite

Microcline (KAlSi3O8 variant)

Amethyst

Silicon dioxide (SiO2) with iron impurities

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Amethyst

Silicon dioxide with iron impurities (SiO2)

Amethyst and Titanium Treated Druzy

Silicon Dioxide (SiO2) with trace impurities including Iron

Chrysocolla on Quartz

Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O) with Quartz (SiO2)

Sunstone (Feldspar)

Plagioclase Feldspar (Na,Ca)(Al,Si)4O8

Milky Quartz

Silicon Dioxide (SiO2)