Igneous, Sedimentary, And Metamorphic Mix

River Pebble (Quartzite/Sandstone mix)

Quartzite (primarily SiO2)

Quartz Heart or Arrowhead Shape

Silicon Dioxide (SiO2)

Apatite

Fluorapatite (Ca5(PO4)3F)

Blue Apatite

Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Tumbled dark pebble, likely basalt

Basalt, predominantly plagioclase feldspar and pyroxene, commonly with olivine or magnetite

Yellow Jasper

Jasper (Silica-rich Microcrystalline Quartz, SiO2)

Orange Quartzite (or Yellow Jasper / Carnelian Chalcedony)

Silicon Dioxide (SiO2)

Quartz pebble

Silicon dioxide (SiO2)

Clear Quartz (Faceted) or Cubic Zirconia / Glass imitation

SiO2 (if Quartz), ZrO2 (if Cubic Zirconia)

Blue Apatite

Fluorapatite (Ca5(PO4)3(F,Cl,OH))

Blue Apatite

Ca5(PO4)3(F,Cl,OH)

Yellow Apatite

Fluorapatite (Ca5(PO4)3(F,Cl,OH))

Amazonite (likely mixed with other feldspars/minerals)

Amazonite is a variety of Microcline, which is a tectosilicate mineral, formula KAISi3O8. The mixed beads could include other feldspars or quartz.

Pink Chalcedony (Agate/Jasper blend)

Silicon Dioxide (SiO₂)

Polished gemstone beads, likely brown tiger’s eye with an orange bead and a green bead

Tiger’s eye: fibrous quartz (SiO₂) with iron-oxide inclusions; the orange and green beads cannot be identified confidently from the image

Dyed Quartz / Rose Quartz Imitation

Silicon Dioxide (SiO2) with artificial pigment

Feldspar

Feldspar (Orthoclase/Microcline)

Pyrite Nodules / Weathered Pyrite

Iron Sulfide (FeS2)

Blue Apatite

Ca5(PO4)3(F,Cl,OH)

Clear Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Concrete Rubble with Aggregate

Hardened Portland Cement Paste with Coarse Aggregate

Glazed Ceramic Tile

Fused Silicate-Clay composite

Zoisite with Hornblende

Zoisite (Ca2Al3(SiO4)3(OH)) with Amphibole inclusions

Sandstone (lithic wacke/conglomerate mix)

Clastic Sedimentary Rock (SiO2 with lithic fragments)

Magnetite Ore

Magnetite (Fe3O4)

Quartz

SiO2 (Silicon Dioxide)

River Quartz (Milky and Smoky mix)

Silicon Dioxide (SiO2)

Green Jasper

Silicon Dioxide (SiO2) with iron silicate inclusions

Banded gneiss

Gneiss, likely quartz–feldspar–mica gneiss

Magnetite / Ironstone

Magnetite (Fe3O4)

Magnetite

Iron(II,III) oxide (Fe3O4)

Que Sera Stone (Llanite / Blue Quartz with Feldspar and Iron Oxides)

Porphyritic Rhyolite (Quartz-Feldspar Porphyry)

Garnet (likely Almandine or a blend)

Garnet group: X3Y2(SiO4)3, where X can be Ca, Mg, Fe2+, Mn2+ and Y can be Al, Fe3+, Cr3+. Given the dark, somewhat reddish-brown appearance in the image, it's likely Almandine (Fe3Al2(SiO4)3) or a mix with other iron-rich garnets.

Red Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

Quartz vein fragment

Quartz, silicon dioxide (SiO₂), likely milky to translucent quartz with iron-oxide or clay inclusions

Quartz-rich rock, possibly milky quartz or quartzite

Quartz (SiO₂); if quartzite, recrystallized quartz sandstone

Likely quartz-rich stone (possibly milky quartz or quartzite)

Quartz, silicon dioxide (SiO₂), or quartzite if interlocking grains are present

Quartz pebble

Silicon dioxide (SiO2)

Blue Apatite

Apatite (Ca5(PO4)3(F,Cl,OH))

Green Aventurine

SiO2