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

Diamond (set in Gold)

Diamond (pure carbon, C)

Basalt with Garnet inclusions

Basalt containing Nesosilicate (Garnet Group, likely Almandine Fe3Al2Si3O12)

Mica Schist

Schist (Muscovite-Biotite Schist)

Schist

Schist (primarily mica-schist)

Brown Garnet

Andradite or Almandine Garnet (general formula X3Y2(SiO4)3)

Schist (Micaceous Schist)

Micaceous schist (Mainly Muscovite/Biotite mixed with Quartz)

Garnet Schist or Garnet-bearing Quartzite

Metamorphic rock containing Almandine Garnet (Fe3Al2(SiO4)3) and Quartz (SiO2)

Schist

Mica Schist (contains muscovite/biotite and quartz)

Tumbled jasper, likely picture jasper or brecciated jasper

Microcrystalline quartz (SiO₂), chiefly chalcedony with iron-oxide pigments

Likely polished garnet fragment

Garnet group, possibly almandine (Fe₃Al₂Si₃O₁₂)

Iron-stained garnet-bearing rock, possibly almandine garnet

Garnet-group silicate, likely almandine (Fe₃Al₂Si₃O₁₂), in a quartz–iron-oxide matrix

Tumbled jasper

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

Red jasper

Jasper (microcrystalline quartz, SiO₂), iron-oxide-rich variety

Mica Schist

Mica Schist (predominantly composed of Muscovite or Biotite silicates)

Moonstone

Adularia (Potassium Aluminum Silicate, KAlSi3O8)

Moonstone

Orthoclase and Albite (KAlSi3O8 / NaAlSi3O8)

Larimar

NaCa2Si3O8(OH)

Fossilized Shark Tooth

Carcharocles or Otodus sp. (Micro-fossilized)

Garnet Schist

Garnet-bearing Mica Schist (variety of compositions, often Al2SiO5 with X3Y2(SiO4)3)

Iridescent Ammonite

Ammonoidea (Species: likely Cleoniceras or Desmoceras); Mineral: Aragonite/Ammolite (CaCO3)

Chalcedony

Silicon Dioxide (SiO2)

Tumbled blue-gray mineral specimen

Indeterminate; possibly dumortierite quartz, sodalite, or dyed stone

Garnet Schist

Garnet-bearing Mica Schist

Polished brecciated jasper pebble

Microcrystalline quartz (SiO₂), with iron-oxide inclusions

Tumbled jasper (likely picture jasper or iron-rich jasper)

Microcrystalline quartz/chalcedony, SiO₂, colored by iron oxides

Rhyolitic jasper / brecciated jasper

Silica-rich volcanic rock, chiefly microcrystalline quartz (SiO₂), with iron-oxide and clay/mineral impurities

Yellow Sapphire

Corundum (Al2O3)

Fuchsite

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

Gneiss (specifically Biotite Gneiss)

Gneiss (high-grade metamorphic rock primarily composed of Silicates)

Moonstone

Orthoclase (KAlSi3O8) with inclusions of Albite (NaAlSi3O8)

Polished orbicular jasper (likely ocean jasper)

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

Banded agate (likely carnelian/chalcedony)

Microcrystalline quartz, SiO₂; chalcedony with iron-oxide coloration

Tumbled orbicular jasper (probable)

Jasper, microcrystalline quartz (SiO₂), with iron- and clay-rich inclusions

Amazonite

Microcline feldspar (KAlSi₃O₈), green variety

Ruby

Corundum (Al2O3 with Chromium traces)

Polished agate slice

Agate, a banded variety of chalcedony (microcrystalline SiO₂)

Milky quartz

Quartz (silicon dioxide, SiO₂)

Jade (likely Jadeite or Nephrite)

Jadeite (NaAlSi2O6) or Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)

Red Jasper

Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)

Garnet

Garnet group [X3Y2(SiO4)3]

Fuchsite

K(Al,Cr)2(AlSi3)O10(OH)2

Polished multicolored jasper

Jasper, an opaque microcrystalline variety of quartz (SiO₂), likely iron- and manganese-stained chert