Mineral (Specifically, A Variety Of The Mineral Species Pyrope Almandine Garnet)

Garnet in Schist (Mica Schist with Garnet Inclusion)

Garnetiferous Mica Schist (X3Al2(SiO4)3)

Milky Quartz

Silicon Dioxide (SiO2)

Polished brown jasper (likely ocean or brecciated jasper)

Microcrystalline quartz/chalcedony, SiO₂, colored mainly by iron oxides

Tumbled carnelian (likely chalcedony)

Carnelian, orange-red cryptocrystalline quartz (SiO₂), a variety of chalcedony

Carnelian (orange chalcedony)

Chalcedony, microcrystalline quartz (SiO₂), iron-colored variety

Khondalite

Garnet-Sillimanite-Graphite Gneiss

Schist (specifically Mica Schist)

Mica Schist (primarily composed of Muscovite KAl2(AlSi3O10)(OH)2 and Biotite)

Jasper (brecciated or orbicular jasper)

Microcrystalline quartz/chalcedony (SiO₂), colored by iron oxides and other impurities

Garnet

Garnet Group (Silicate Minerals)

Cobaltian Calcite

Cobalt-bearing Calcite (Ca,Co)CO3

Red jasper (likely brecciated or orbicular jasper)

Microcrystalline quartz, SiO₂, colored mainly by iron oxides

Brecciated jasper (likely ocean jasper or red jasper)

Microcrystalline quartz, SiO₂, with iron-oxide pigments and breccia cement

Polished blue banded agate slice

Chalcedony (microcrystalline quartz), SiO₂, commonly with trace iron and other coloring elements

Carnelian (orange-red chalcedony)

Chalcedony, microcrystalline quartz (SiO₂), iron-colored variety

Unknown Organic Object (likely a berry or fruit)

Not applicable; this is not a geological specimen. If it were a cranberry, its scientific name would be Vaccinium macrocarpon; if a cherry, it would be Prunus avium or Prunus cerasus.

Polished bloodstone (heliotrope)

Chalcedony (microcrystalline quartz, SiO₂) with red iron-oxide inclusions

Red jasper-like pebble

Microcrystalline quartz (chalcedony), typically colored by iron oxides; exact identification is uncertain from the image

Quartzite with Garnet inclusion

Metamorphic Quartz-rich Rock

Green Kyanite

Kyanite (Al2SiO5)

Pink Satin Spar (Satin Spar Selenite Dyed)

Gypsum (CaSO4·2H2O)

Chrome Diopside

Magnesium Calcium Silicate (MgCaSi2O6) containing Chromium impurities

Beaded Jewelry (Assorted Gemstones)

Various minerals, including but not limited to Quartz (SiO2), Garnet (X3Y2(SiO4)3), Jade (Na(Al,Fe)Si2O6), Amethyst (SiO2),等の多様な組み合わせ

Serpentine

Antigorite/Chrysotile/Lizardite mix - Mg3Si2O5(OH)4

Ruby (Corundum)

Aluminum oxide (Al2O3) with Chromium traces

Fossil Shark Tooth (Otodus obliquus)

Otodus obliquus; hydroxyapatite (mineralized form Ca5(PO4)3(OH))

Red jasper (tumbled)

Jasper, microcrystalline quartz/chalcedony (SiO₂) colored mainly by iron oxides

Jasper (likely red/brown jasper)

Microcrystalline quartz/chalcedony, SiO₂, colored mainly by iron oxides

Red jasper (likely polished/tumbled)

Microcrystalline quartz/chalcedony, SiO₂, colored mainly by iron oxides

Quartz with Spessartine Garnet and Biotite

SiO2 (Quartz) with Mn3Al2(SiO4)3 (Spessartine)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Garnet

Garnet Group (Silicate Minerals), formula varies e.g., Alm: Fe3Al2(SiO4)3

Amphibolite (specifically Hornblende Schist/Gneiss)

Amphibole-rich Metamorphic Rock

Amazonite

K(AlSi3O8) - Microcline

Jasper (or possibly Agate/Chalcedony) beads

SiO2 (Silicon Dioxide)

Polished leopard-skin jasper

Jasper, a microcrystalline quartz variety (SiO₂), with iron-oxide and other mineral impurities

Nephrite Jade

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

Blue Topaz

Aluminum Silicate Fluoride Hydroxide - Al2SiO4(F,OH)2

Amethyst cabochon

Quartz, silicon dioxide (SiO₂), purple variety colored mainly by iron impurities and irradiation

Amazonite

Amazonite (KAlSi3O8)

Fossil Shark Tooth (Sand Tiger Shark type)

Carcharias sp. (likely Odontaspis)

Garnet

Garnet group (X3Y2(SiO4)3)

Fancy Jasper

Silicon Dioxide (SiO₂)