Metamorphic Rock (Composed Of Multiple Minerals)

Chakra Crystal Bracelet

Mixed Mineral Assortment

Mixed rock and mineral collection

Multiple specimens; visible pieces may include quartz, calcite, agate/chalcedony, jasper, and dyed or coated materials

Weathered iron-stained quartzite or sandstone cobble

Quartzite (quartz-rich rock), possibly ferruginous sandstone

Quartz-rich metamorphic rock, likely milky quartz or quartzite

Quartz (SiO₂); possibly quartzite composed predominantly of recrystallized quartz

Aventurine

Silicon Dioxide (SiO2) with inclusions

Mixed rock and mineral collection

Mixed lithologies; likely quartz, feldspar, basalt, granite, chert, sandstone, and metamorphic rocks

Lapis Lazuli (Tumbled)

Lazurite-dominated contact metamorphic rock

Lapis Lazuli

Na8[Al6Si6O24]Sn (Lazurite-rich metamorphic rock)

Banded gneiss pebble

Gneiss, composed chiefly of quartz, feldspar, and mica/amphibole

Calcite–fluorite mineral specimen with iron-oxide staining

Calcite (CaCO₃), likely fluorite (CaF₂), with possible quartz and iron/manganese oxides

Marble

Metamorphic Limestone (CaCO3)

Slate

Foliated Metamorphic Rock (composed primarily of Quartz, Muscovite, and Illite)

Green Schist

Greenschist (composed of Chlorite, Actinolite, and Epidote)

Inukshuk Rock Sculpture (composed of Granite, Slate, and Amethyst)

Silicon Dioxide (Amethyst portion, SiO2) with mixed silicate rock assemblage

Greenstone

Metabasalt (composed of chlorite, epidote, and actinolite)

Lapis Lazuli (Tumbled Stone)

Na6Ca2(Al6Si6O24)(SO4,S,Cl)2 (Lazulite-rich Metamorphic Rock)

Granite Pebble

Phaneritic intrusive igneous rock

Gneiss

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

Quartzite River Cobble

Quartzite (SiO2)

Granite

Granite (Phaneritic intrusive igneous rock)

Gneiss (Stream-worn Cobble)

Gneiss (Metamorphic rock composed primarily of Quartz, Feldspar, and Mica)

Mixed stream gravel and common rock specimens

Predominantly quartz-rich granitoid, quartzite, sandstone, shale/slate, and mafic volcanic fragments; exact species cannot be determined confidently from the image

Greenstone / Serpentinite

Serpentinite (composed primarily of serpentine minerals: Mg3Si2O5(OH)4)

Granite

Granite (Felsic Plutonic Rock)

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Schist

Mica Schist

Weathered gneiss

Banded gneiss, commonly composed of quartz, feldspar, and mica

Lapis Lazuli

Lapis Lazuli (Rock composed mainly of lazurite, calcite, and pyrite)

Bauxite

Bauxite (Aluminum Ore)

Breciated Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Gneiss

Gneiss (high-grade metamorphic rock typically composed of quartz, feldspar, and mica)

Magnetite

Fe3O4 (Iron(II,III) oxide)

River Stone / Pebble

Clastic Sediment (composed largely of Quartz, Feldspar, and various rock fragments)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)

Serpentinite

Serpentinite (composed primarily of Serpentine minerals: Mg3Si2O5(OH)4)

Mica Schist

Schist

Gneiss

Metamorphic Gneiss

Gneiss

Gneiss

Bauxite

Bauxite (principal ore of aluminum, primarily Al(OH)3)

Bauxite (Laterite)

Hydrated aluminum oxides (Al2O3·nH2O)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals, e.g., Lizardite, Chrysotile, Antigorite)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals like Antigorite, Lizardite, and Chrysotile)