Mineral, Specifically A Detrital Grain

Stromatolite

Stromatolite (Cyanobacteria-formed Organo-sedimentary structure)

Vesicular basalt (possibly weathered amygdaloidal basalt)

Basalt; chiefly plagioclase feldspar, pyroxene, and commonly olivine, with weathering minerals filling vesicles

Pink Granite

Phaneritic Plutonic Felsic Igneous Rock (Granite)

Pink Granite

Phaneritic Felsic Igneous Plutonic Rock

Granite Pebble

Granite (composed primarily of Quartz, Potassium Feldspar, Plagioclase, and Biotite/Amphibole)

Pink Granite

Phaneritic Felsic Igneous Rock

Porphyritic Pink Granite

Phaneritic Porphyroid Granite

Orange Quartzite / Carnelian Agate

Silicon Dioxide (SiO2)

Pebble

Clast (specifically a granule or small pebble)

Granite

Plutonic felsic igneous rock

Basalt River Stone

Basalt (Mafic volcanic rock, primarily Plagioclase and Pyroxene)

Sandstone (specifically Picture Sandstone or Wonderstone)

Arenite (composed primarily of SiO2)

Sandstone (Banded)

Arenite (primarily SiO2)

Jasper (or possibly Agate/Chalcedony) beads

SiO2 (Silicon Dioxide)

Rhodonite

Inosilicate, (Mn,Fe,Mg,Ca)SiO3

Pink Satin Spar (Satin Spar Selenite Dyed)

Gypsum (CaSO4·2H2O)

Granite Pebble

Phaneritic Felsic Igneous Rock (Granite)

Pink Granite

Felsic intrusive igneous rock

Basalt (with possible alteration or lichen)

Mafic volcanic rock (primarily Plagioclase and Pyroxene)

Basalt

Basalt (composition predominately plagioclase feldspar and pyroxene)

Dalmatian Jasper

Dalmatian Stone (Felsite with Arfvedsonite/Tourmaline)

Sandstone (specifically Flagstone)

Arenite (primarily composed of SiO2)

Pink Granite

Phaneritic Felsic Igneous Rock (composed primarily of Orthoclase Feldspar and Quartz)

Pink Granite

Granite (Phaneritic Acidic Igneous Rock)

Shale

Lutaceous Rock (Hydrous Aluminum Silicates)

Pink Granite

Phaneritic Felsic Intrusive Igneous Rock

Basalt (Greenstone)

Amygdaloidal Basalt / Chloritized Basalt

Pink Granite

Potassium Feldspar-Rich Granite

Red Sandstone (Hematitic)

Clastic sedimentary rock (SiO2 with Fe2O3 inclusions)

Fancy Jasper

Jasper (Cryptocrystalline Quartz, SiO2)

Banded Gneiss

Gneiss (High-grade regional metamorphic rock)

Greenstone

Greenschist (metamorphosed mafic igneous rock)

Granite

Granite (composed mainly of Quartz, Alkali Feldspar, and Plagioclase)

Green Aventurine

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

Pink Granite

Granite (Felsic Plutonic Rock)

Pink Granite

Granite (Felsic Plutonic Rock)

Blue Apatite

Apatite-(CaF), Ca5(PO4)3F (Calcium Fluorophosphate)

Pink Granite

Phaneritic Felsic Igneous Rock (Granite)

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

Quartz (SiO₂ - Silicon Dioxide)

Chert (specifically Flint)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Pink Granite

Phaneritic Felsic Intrusive Igneous Rock

Gneiss (specifically Banded Gneiss)

Gneiss