Mixed (Igneous, Sedimentary, Metamorphic, And Minerals)

Milky Quartz

Silicon Dioxide (SiO2)

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Rough Dark Green Sapphire

Corundum (Al2O3)

Petrified Wood

Silicified Wood (SiO2)

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Orange Calcite

Calcium Carbonate (CaCO3)

Quartz

Quartz (SiO₂ - Silicon Dioxide)

Epidote

Epidote (Ca2(Al2,Fe3+)AlSi3O12(OH))

Orthoclase Feldspar (Salmon variety)

Orthoclase, KAlSi3O8

Green Aventurine

Silicon Dioxide with Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)

Diorite (Gneissic)

Diorite

Petrified Wood

Silicified Wood (SiO2)

Mica Schist

Mica Schist (predominantly Muscovite/Biotite)

Fuchsite (Chrome Mica)

K(Al,Cr)2(AlSi3O10)(OH)2

Quartz with Mica (Schist/Pegmatite fragment)

Silicon Dioxide (SiO2) with Phyllosilicates (KAl2(AlSi3O10)(OH)2)

Quartz / Quartzite Fragment

Silicon Dioxide (SiO2)

Fluorite

Fluorite (Calcium Fluoride, CaF2)

Laterite

Laterite (no specific mineral formula as it's a rock type)

Zebra Jasper

Silicon Dioxide (SiO2) with various inclusions

Granitic Sand

Detrital sediment (predominantly Quartz, Feldspar, and Mica)

Quartz (Milky/Cloudy Variety)

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Mica Schist

Schist (Muscovite/Biotite Schist)

Milky Quartz

Silicon Dioxide (SiO2)

Banded Metamorphic Rock (likely Quartzite or Serpentinite/Soapstone)

Metamorphic Rock (possibly a banded Quartzite or a foliated Serpentinite/Talc Schist based on appearance, general term for such a rock is 'Banded Metamorphic Rock' or 'Gneiss' if pronounced banding of different minerals)

Orange Calcite

Calcium Carbonate (CaCO3)

Dalmatian Jasper (Dalmatian Stone)

Dalmatian Stone (primarily Feldspar, Quartz, and Arfvedsonite/Tourmaline)

Clear Quartz Crystal

Silicon Dioxide (SiO2)

Orange Calcite

Calcium Carbonate (CaCO3)

Quartz (Milky or Clear Quartz fragment)

Silicon Dioxide (SiO2)

Garnet Schist

Almandine-Muscovite Schist

Fuchsite

K(Al,Cr)2(AlSi3O10)(OH)2 (Chromium-rich Muscovite)

Pyrite

Iron Disulfide (FeS2)

Amazonite

Amazonite (KAlSi3O8) - a variety of Microcline Feldspar

Muscovite Mica

Muscovite (KAl₂(AlSi₃O₁₀)(F,OH)₂))

Quartz (likely a macrocrystalline variety like milky quartz or smoky quartz, given the appearance in the image)

Quartz (SiO₂ - Silicon Dioxide)

Orange Calcite

Calcite (CaCO3)

Quartz Geode/Cluster

Quartz (SiO2)

Gneiss

Gneiss (High-grade regional metamorphic rock)

Rhodonite, Gray Moonstone, and White Feldspar Mix

Multiple: MnSiO3 (Rhodonite), (K,Na)AlSi3O8 (Feldspar/Moonstone)

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Clear Quartz (or Rock Crystal)

Quartz (SiO₂ - Silicon Dioxide)