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

Red jasper

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

Tumbled jasper (likely ocean or picture jasper)

Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide and clay inclusions

Tumbled blue-green stone, likely chrysoprase or dyed chalcedony

Cryptocrystalline quartz (SiO₂), possibly nickel-bearing chrysoprase; exact identification requires testing

Tumbled carnelian (likely)

Cryptocrystalline chalcedony, SiO₂; orange-red variety commonly called carnelian

Orange chalcedony (carnelian)

Microcrystalline quartz, SiO₂; orange variety of chalcedony

Tumbled ocean jasper (orbicular jasper), likely brecciated variety

Jasper: microcrystalline quartz (SiO₂) with iron-oxide staining and other silicate inclusions

Likely garnet-bearing schist

Mica schist, possibly garnet-bearing; exact identification requires closer examination

Milky Quartz

Silicon Dioxide (SiO2)

Green Apophyllite

Fluorapophyllite-(K), KCa4(Si8O20)(F,OH)·8H2O

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Yellow Calcite

Calcium Carbonate (CaCO3)

Red jasper (likely brecciated or iron-stained jasper)

Jasper, microcrystalline quartz (SiO₂), colored chiefly by iron oxides

Serpentine

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

Polished leopard-skin jasper

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

Red-orange carnelian

Carnelian, a translucent chalcedony variety of quartz (SiO₂)

Agate (specifically Waterline or Onyx-type Agate)

Silicon Dioxide (SiO2) - variety Chalcedony

Schist

Schist

Rose Quartz

Quartz (SiO₂), specifically a variety of Quartz

Polished jasper, likely orbicular or brecciated jasper

Jasper: microcrystalline quartz (chalcedony), SiO₂, colored by iron oxides and other inclusions

Blue Lace Agate

Chalcedony (SiO2)

Sandstone (with garnet granules)

Clastic sedimentary rock (primarily SiO2 with Fe3Al2(SiO4)3 inclusions)

Red Jasper

Silicon dioxide (SiO2) with hematite (Fe2O3) inclusions

Red-and-gray jasper (likely orbicular or brecciated jasper)

Jasper, microcrystalline quartz (SiO₂) with iron-oxide pigments

Echinoid Fossil (Sea Urchin)

Echinoidea (specifically likely Schizaster or similar genus), calcium carbonate (CaCO3)

Moonstone (with Tourmaline/Mica)

Orthoclase/Albite Feldspar (KAlSi3O8 / NaAlSi3O8)

Tumbled ruby or ruby-bearing corundum

Corundum (Al₂O₃), red variety colored mainly by chromium

Tumbled carnelian (likely)

Carnelian, a chalcedony variety of microcrystalline quartz (SiO₂), colored mainly by iron oxides

Red grossular garnet-bearing skarn

Grossular garnet (Ca₃Al₂Si₃O₁₂), likely with epidote and quartz/calcite

Red jasper (likely polished/tumbled)

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

Red jasper pebble

Microcrystalline quartz (SiO₂), colored by iron oxides

Tumbled brown jasper (likely orbicular or brecciated jasper)

Jasper, microcrystalline quartz/chalcedony; SiO₂

Polished banded agate

Agate, microcrystalline quartz (SiO₂), commonly with chalcedony and trace iron oxides

Amethyst (purple quartz)

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

Selenite (gypsum)

Gypsum, CaSO₄·2H₂O; transparent or translucent variety commonly called selenite

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

Red-orange jasper pebble

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

Tumbled jasper (likely brecciated or mahogany jasper)

Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide inclusions

Polished leopard jasper (likely orbicular/rhyolitic jasper)

Silicified volcanic rock, mainly microcrystalline quartz (SiO₂), with iron-oxide and clay-rich inclusions

Green Calcite

Calcium Carbonate (CaCO3)

Green Aventurine

Quartz variety (SiO2) with fuchsite inclusions