Sedimentary (Processed Mineral Product)

Dyed Blue Agate

Chalcedony (Silicon Dioxide / SiO2)

Clear quartz (likely quartz crystal fragment)

Quartz, silicon dioxide (SiO₂)

Possible sodalite-bearing rock

Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂, likely in a feldspathic matrix

Rose quartz (likely)

Quartz, silicon dioxide (SiO₂), cryptocrystalline to crystalline variety

Blue calcite geode

Calcite (CaCO₃), commonly a druse-lined geode

Granite

Phaneritic Felsic Igneous Rock

Chalcopyrite in Gossan

Chalcopyrite (CuFeS2) in a Limonite-rich Gossan matrix

Orange calcite (rough specimen)

Calcite, CaCO₃

Likely galena (lead sulfide)

Galena, PbS

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Red coral beads (likely dyed or treated coral)

Corallium spp. (precious coral; calcium-carbonate skeleton, chiefly calcite)

Tumbled blue glassy mineral, possibly sodalite or blue aventurine

Identification uncertain; likely sodalite (Na₈Al₆Si₆O₂₄Cl₂) or blue-dyed quartz/slag-like material

Clear Quartz Cluster

Quartz (Silicon Dioxide, SiO2)

Pink tourmaline (rubellite)

Elbaite tourmaline, lithium sodium aluminum borosilicate: Na(Li1.5Al1.5)Al6(BO3)3Si6O18(OH)4

Slag Glass (Cullet)

Amorphous Silica (man-made), primarily SiO2 with trace metal oxides

Rough White Zircon

Zircon (Zirconium Silicate, ZrSiO4)

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Weathered iron-rich rock, likely limonite-bearing sandstone or laterite

Limonite/goethite-rich ferruginous rock; composition commonly FeO(OH)·nH₂O with quartz and clay minerals

Staurolite

Fe2Al9O6(SiO4)4(O,OH)2

Diamond-encrusted microphone-shaped pendant

Diamond (natural or synthetic) set in gold-colored metal; exact stones and metal cannot be confirmed visually

Weathered, vesicular volcanic rock (likely basaltic scoria)

Scoria, probably basaltic; exact identification requires testing

Green glass sphere/marble

Soda-lime glass (primarily SiO2, Na2O, CaO)

Pumice

Pumice (Volcanic glass / Felsic igneous rock)

Colorless faceted gemstone, likely quartz

Quartz (SiO₂), probably rock crystal; exact identification is uncertain from the strongly backlit image

Quartzite

Quartzite (SiO2)

Granite

Granite (Felsic Plutonic Rock)

Prehnite

Prehnite (Ca2Al2Si3O10(OH)2)

Weathered quartz-rich rock, possibly granite or quartzite

Indeterminate; likely quartz–feldspar aggregate, potentially granitic, or recrystallized quartzite

Milky quartz

Quartz, silicon dioxide (SiO₂)

Milky quartz fragment

Quartz, silicon dioxide (SiO₂)

Green Slag Glass

Amorphous Silicon Dioxide (with metallic impurities)

Green glass-like cabochon, likely synthetic glass or resin

Unidentified green transparent material; possibly molded glass, synthetic spinel, or resin

Goethite

Goethite (FeO(OH))

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Red Coral (Dyed or Reconstituted)

Corallium rubrum (if natural) or Calcite/Aragonite with dye

Beige limestone tile

Limestone, primarily calcite (CaCO₃); exact variety cannot be determined from the image

Clear quartz crystal

Quartz (silicon dioxide, SiO₂)

Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Goethite

Goethite (FeO(OH))

Tumbled pale chalcedony (likely quartz)

Microcrystalline quartz, SiO₂; possibly pale agate or quartz

Bismuth crystal

Bismuth (Bi), artificially crystallized

Gold bullion bars

Native gold (Au), likely cast or refined metal