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

Basalt with Garnet inclusions

Basalt containing Nesosilicate (Garnet Group, likely Almandine Fe3Al2Si3O12)

Seraphinite

Clinochlore (a variety of the chlorite group)

Mica Schist

Mica Schist (Quartz-Biotite-Muscovite Schist)

Pink Garnet (likely Almandine or Rhodolite)

Garnet Group (Fe3Al2(SiO4)3 to Mg3Al2(SiO4)3)

Garnet-bearing gneiss

Biotite–feldspar gneiss with almandine garnet; quartz likely present

Mica Schist

Mica Schist (primarily Muscovite and Biotite micas)

Garnet Schist or Garnet-bearing Quartzite

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

Schist

Schist (primarily mica-schist)

Granite Gneiss with Garnet

Garnetiferous Gneiss

Diamond (set in Gold)

Diamond (pure carbon, C)

Schist (Garnet-Mica Schist)

Garnetiferous Mica Schist (primarily Muscovite/Biotite and Almandine Garnet)

Quartz–feldspar pegmatite with pink tourmaline

Granitic pegmatite; predominantly quartz (SiO₂), microcline/orthoclase (KAlSi₃O₈), albite (NaAlSi₃O₈), and likely elbaite tourmaline (Na(Li,Al)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)

Iron-rich metamorphic rock (probable garnet-bearing schist or quartzite)

Garnet–quartz–mica schist/quartzite; composition likely quartz (SiO₂), iron oxides/hydroxides, mica, and possible almandine garnet

Mica Schist

Schist (Muscovite-Biotite Schist)

Schist

Mica Schist (contains muscovite/biotite and quartz)

Schist (Micaceous Schist)

Micaceous schist (Mainly Muscovite/Biotite mixed with Quartz)

Tumbled dark reddish-brown stone, possibly garnet or jasper

Indeterminate; likely almandine garnet (Fe₃Al₂Si₃O₁₂) or iron-rich jasper (microcrystalline SiO₂)

Iron-stained garnet-bearing rock, possibly almandine garnet

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

Likely polished garnet fragment

Garnet group, possibly almandine (Fe₃Al₂Si₃O₁₂)

Emerald (green gemstone) pendant

Emerald, green variety of beryl (Be₃Al₂Si₆O₁₈); stones appear to be faceted and set in jewelry

Tumbled carnelian agate

Carnelian, a reddish-orange variety of chalcedony (microcrystalline quartz, SiO₂)

Likely garnet-bearing metamorphic rock

Garnet amphibolite or garnet-bearing schist; chiefly almandine garnet (Fe₃Al₂Si₃O₁₂) with amphibole, mica, and quartz

Uvarovite

Ca3Cr2(SiO4)3

Red jasper (probable)

Jasper, an opaque microcrystalline variety of quartz; SiO₂, commonly colored by iron oxides

Polished orange jasper

Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored by iron oxides

Mica Schist

Mica Schist (predominantly composed of Muscovite or Biotite silicates)

Larimar

NaCa2Si3O8(OH)

Iridescent Ammonite

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

Gneiss (specifically Biotite Gneiss)

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

Raw ruby (likely corundum)

Corundum, Al₂O₃; red color caused mainly by chromium

Tumbled amethyst

Amethyst, purple variety of quartz (SiO₂)

Cabochon gemstone ring, likely smoky quartz or tourmaline

Unconfirmed quartz (SiO₂) or brown tourmaline (dravite); visual identification is inconclusive

Pegmatitic granite, strongly weathered

Granite/pegmatite composed mainly of quartz, feldspar, and mica

Polished agate (likely chalcedony)

Microcrystalline quartz, SiO₂; agate is banded chalcedony

Moonstone

Adularia (Potassium Aluminum Silicate, KAlSi3O8)

Garnet Schist

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

Polished jasper pebble (possibly orbicular jasper)

Microcrystalline quartz (SiO₂), likely jasper; exact variety cannot be confirmed visually

Brown agate (chalcedony)

Microcrystalline quartz, SiO₂; likely iron-stained chalcedony

Selenite gypsum crystal

Gypsum (CaSO₄·2H₂O), fibrous/selenite variety

Tumbled jasper, likely picture jasper or brecciated jasper

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

Moonstone

Orthoclase and Albite (KAlSi3O8 / NaAlSi3O8)

Fossilized Shark Tooth

Carcharocles or Otodus sp. (Micro-fossilized)