Gemstone

Garnet

Silicate mineral group (e.g., Almandine, Fe3Al2(SiO4)3)

Smoky quartz ring

Quartz (SiO₂), likely smoky quartz; the surrounding stones and metal cannot be identified reliably from the image.

Diamond ring

Diamond (crystalline carbon, C)

Jasper

Microcrystalline Quartz (SiO2)

Banded Agate (Lake Superior Agate style)

Cryptocrystalline Quartz (SiO2)

Tiger's Eye (Brown/Golden)

Silicon dioxide (Quartz pseudomorph after crocidolite), SiO2

Healer's Gold (Pyrite and Magnetite in Schist)

Magnetite (Fe3O4) and Pyrite (FeS2) in Mica Schist

Rhodonite

Rhodonite (Mn,Fe,Mg,Ca)SiO3

Amazonite

Potassium Feldspar (KAlSi3O8)

Rhodochrosite with Quartz

Manganese Carbonate (MnCO3) with Silicon Dioxide (SiO2)

Peridot (Olivine)

Olivine ((Mg, Fe)2SiO4)

Emerald with Matrix (Emerald in Mica Schist)

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

Precious Opal

Hydrated Silicon Dioxide (SiO2·nH2O)

Blue gemstone ring, likely blue topaz or synthetic blue spinel

Likely topaz (Al₂SiO₄(F,OH)₂) or synthetic spinel (MgAl₂O₄); identification is uncertain from the image

Pearls (likely freshwater cultured pearls)

Pearl: nacre, primarily aragonite (CaCO₃) with conchiolin

Amethyst

Quartz (SiO2)

Sunstone

Plagioclase Feldspar ((Ca,Na)(Al,Si)4O8)

Larimar

Pectolite (NaCa2Si3O[OH])

Turquoise

CuAl6(PO4)4(OH)8·4H2O (Hydrated copper and aluminium phosphate)

Pearl

Calcium carbonate (CaCO3) as Aragonite or Calcite

Amethyst

Amethyst (Silicon Dioxide, SiO2 with Iron impurities)

Amazonite

K(AlSi3O8), Microcline (potassium feldspar)

White chalcedony cabochon ring

Chalcedony (microcrystalline quartz, SiO₂), likely white quartz variety

Carved Sea Turtle Figurine (Aventurine / Quartz / Jasper)

Quartz variety (SiO2) / Polycrystalline Quartz Aggregate

Red garnet (likely almandine or pyrope)

Garnet-group silicate; almandine Fe₃Al₂(SiO₄)₃ or pyrope Mg₃Al₂(SiO₄)₃

Amethyst

Quartz (Silicon Dioxide, SiO2)

Citrine Quartz

Macrocrystalline Quartz (SiO2)

Peridot (Olivine)

Magnesium Iron Silicate (Mg,Fe)2SiO4

Faceted black gemstone, likely black spinel

Spinel (MgAl₂O₄); identification from the image is uncertain

Pink faceted gemstone, likely synthetic cubic zirconia or pink sapphire

Uncertain from image; possible zirconium dioxide (cubic zirconia, ZrO₂) or corundum (pink sapphire, Al₂O₃)

Quartz-rich rock, possibly milky quartz

Quartz (silicon dioxide, SiO₂), possibly with feldspar or mica inclusions

Amethyst

Silicon dioxide (SiO2) with iron impurities

Turquoise (likely Sleeping Beauty variety or treated Howlite imitation)

Hydrated phosphate of copper and aluminium, CuAl6(PO4)4(OH)8·4H2O

Garnet

Garnet Group (e.g., Almandine Fe3Al2(SiO4)3 or Pyrope Mg3Al2(SiO4)3)

Green gemstone ring (likely synthetic or imitation emerald)

Possibly emerald, beryl (Be₃Al₂Si₆O₁₈); the photo cannot confirm the center stone’s identity or whether it is natural.

Raw Sunstone

Sunstone (Feldspar variety, (Ca,Na)((Al,Si)2Si2O8))

Pegmatite with Quartz and Feldspar

Intrusive Igneous Rock

Sapphire

Corundum (Al2O3)

Red coral beads (likely dyed or treated coral)

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

Sunstone (Feldspar)

Plagioclase Feldspar (Na,Ca)(Al,Si)4O8

Lake Superior Agate

Silicon Dioxide (SiO2) - variety of Chalcedony

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions