Chakra Stone Bracelet (mixed gemstones)
Multi-mineral/Gemstone assembly (primarily Quartz variety beads)
mineral
Category
Mineral (Gemstone)
Browse mineral (gemstone) specimens identified by the Rock Identifier community.
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Mixed gemstone jewelry collection
Likely amethyst, rose quartz or pink tourmaline, smoky quartz, and dark tourmaline/onyx; exact identifications are uncertain from the image
gemstone
Amber
Fossilized tree resin
gemstone
Pearl (as a biogenic mineral/gemstone)
Calcium Carbonate (mostly Aragonite), CaCO3
mineral
Unidentified small rock fragments
Indeterminate from image; possibly quartz-rich material
mineral
Pearl
Calcium Carbonate (primarily Aragonite and Calcite), CaCO3
mineral
Unidentified gray metallic object
Not determinable from the image; likely a metal screw or manufactured fastener rather than geological material
mineral
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Pegmatite
Igneous Pegmatite
igneous
Likely polished amber or amber-like resin specimen
Amber (fossilized plant resin), chiefly polymerized diterpenoid resin; exact identification uncertain from the image
gemstone
Granite Pegmatite
Pegmatite (Fulgite / Felsic Intrusive Rock)
igneous
Pegmatite
Pegmatite (felsic intrusive igneous rock)
igneous
Black tourmaline
Schorl tourmaline, NaFe2+3Al6(BO3)3Si6O18(OH)4
mineral
Raw black tourmaline (probable schorl)
Schorl, NaFe²⁺₃Al₆(BO₃)₃Si₆O₁₈(OH)₄
mineral
Black tourmaline (schorl), probable
Schorl tourmaline, NaFe²⁺₃Al₆(BO₃)₃Si₆O₁₈(OH)₄
mineral
Fuchsite (Chrome Mica)
Chromian Muscovite - K(Al,Cr)2(AlSi3O10)(OH)2
mineral
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral/gemstone
Plume Agate
Cryptocrystalline Quartz (SiO2)
Mineral/Gemstone
Ruby
Corundum (Al₂O₃) with Chromium (Cr)
Mineral (gemstone)
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Mineral/Gemstone
Black Tourmaline (Schorl)
Sodium Iron Aluminum Borate Silicate (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral/gemstone
Agate
SiO2
Mineral/Gemstone
Agate
SiO2
Mineral/Gemstone
Moss Agate
SiO2 with impurities (Chalcedony)
Mineral/Gemstone
Rhinestone (or glass crystal)
Silicon dioxide (if glass) / Various
Mineral/gemstone imitation
Emerald
Beryl (Be3Al2Si6O18), specifically the green variety colored by chromium or vanadium
Mineral (Gemstone variety of Beryl)
Red Tiger's Eye beads
Tiger's Eye (variety of Chalcedony, SiO2)
Mineral / Gemstone (variety of Quartz)
Unidentified brown rock fragment
Indeterminate from image; likely a weathered iron-rich lithic fragment
igneous, sedimentary, metamorphic, mineral, gemstone, fossil, or meteorite
Quartz (Smoky/Rose Quartz Pebble)
Silicon Dioxide (SiO2)
mineral
Ammolite
Ammolite (Biogenic Aragonite with trace elements; fossils of Placenticeras meeki and Placenticeras intercalare)
mineral
Red heart-shaped glass bead in a wire-wrapped jewelry charm
Likely colored glass (amorphous silica-based material); the image does not show an identifiable geological specimen
gemstone
Hypersthene
Hypersthene ((Mg,Fe)SiO3)
mineral
Emerald (green gemstone) pendant
Emerald, green variety of beryl (Be₃Al₂Si₆O₁₈); stones appear to be faceted and set in jewelry
gemstone
Amber
Succinite (Organic Gemstone)
mineral
Quartz Vein Rock
Silicon dioxide (SiO2) within a host rock matrix
mineral
Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
mineral
Chrysocolla
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O
mineral
Small greenish crystal/mineral fragment
Indeterminate; possibly olivine, quartz, or a green gemstone fragment
mineral
Smoky quartz
Quartz (silicon dioxide, SiO₂)
mineral
Quartz with Tourmaline inclusions
Silicon Dioxide (SiO2) with Tourmaline needles
mineral
Sodalite
Na8Al6Si6O24Cl2
mineral
Crackle Glass (Simulated Gemstone)
Amorphous Solid (SiO2)
man-made glass