Mixed (Igneous, Sedimentary, Metamorphic, And Minerals)

Amethyst and Hematite Bracelet

Amethyst (SiO2) and Hematite (Fe2O3)

Pyrite

Iron Disulfide (FeS2)

Tourmaline (likely Schorl)

Tourmaline Group Mineral (e.g., Schorl for black varieties); (Na,Ca)(Li,Mg,Fe,Mn,Al)3Al6(BO3)3Si6O18(OH)4

Quartz (possibly milky quartz or quartz with inclusions)

SiO2 (Silicon Dioxide)

Blue Calcite

Calcium Carbonate (CaCO3)

Green Kyanite

Kyanite (Al2SiO5)

Nephrite Jade

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)

Banded Gneiss

Gneiss (High-grade Metamorphic Rock)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Greenstone (Greenstone River Pebble)

Greenschist (metamorphosed mafic igneous rock)

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Bornite

Bornite (Cu5FeS4)

Brecciated Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Clear Quartz (beads in a bracelet)

Quartz (SiO2)

Coarse Sand Grain / Lithic Fragment

Clastic Sediment (Lithic fragment or Quartz/Feldspar grain)

Banded Gneiss

Gneiss (pronounced "nice")

Copper-bearing Mica Schist

Mica Schist with Native Copper inclusions

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Clear Quartz Crystal

Quartz (Silicon Dioxide, SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz (Peach/Orange variety)

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Clear Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Schist with Biotite and Quartz

Biotite-Quartz Schist (Fe,Mg,Al silicate mix)

Rough Garnet in Matrix

Almandine Garnet (Fe3Al2Si3O12)

Gneiss

Gneiss (High-grade regional metamorphic rock)

Quartz (Milky/Smoky variety on matrix)

Silicon Dioxide (SiO2)

Epidote

Epidote - Ca2(Al2,Fe3+)3(SiO4)3(OH)

Schist

Mica Schist

Milky Quartz

Silicon Dioxide (SiO2)

Quartz Pebble (Sea Glass-like Quartz)

Quartz (Silicon Dioxide - SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz (Milky/Common variant)

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Gneiss (River Cobble)

Gneiss (Foliated Metamorphic Rock)

Schist

Schist (various mineral compositions)

Green Aventurine

Quartz with Fuchsine inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)

Quartz (likely macrocrystalline variety)

Quartz (SiO₂)