Pearl
Organic gemstone (Calcium carbonate - CaCO3)
mineral
Category
Mineral, Jewelry
Browse mineral, jewelry specimens identified by the Rock Identifier community.
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Bumblebee Jasper (technically a type of Agate/Anhydrite)
Calcite and Anhydrite with inclusions of Realgar and Orpiment (As2S3)
sedimentary
Vesicular basalt (scoriaceous basalt)
Basalt, primarily plagioclase, pyroxene, and iron-rich olivine; vesicular variety may be termed scoria
igneous
Raw smoky quartz with dark mineral inclusions
Quartz (SiO₂), likely smoky quartz; dark inclusions may be chlorite, tourmaline, or iron/manganese oxides
mineral
Diamond (in a jewelry setting)
Carbon (C)
mineral
Diamond (appearing in jewelry)
Diamond (pure Carbon, C)
mineral
Metallic Ornament / Jewelry
N/A - This is an artificial object, not a geological specimen.
This appears to be a man-made metallic object, likely jewelry, not a natural rock, mineral, or geological specimen.
Lapis Lazuli
Lapis Lazuli (Rock composed primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)
metamorphic
Garnet (Almandine)
Almandine Fe3Al2(SiO4)3
mineral
Ruby and Diamond in Gold Setting
Corundum (Al2O3) and Diamond (C)
mineral
Quartz Geode
Silicon dioxide (SiO2)
mineral
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Fossil Shark Tooth
Chondrichthyes dentition (Fossilized Tooth)
fossil
Milky Quartz Mineral
Quartz (Silicon Dioxide, SiO2)
mineral
Rainbow Moonstone
White Labradorite (Feldspar variety)
mineral
Prehnite with Epidote inclusions
Prehnite - Ca2Al(AlSi3O10)(OH)2; Epidote - Ca2(Al2,Fe)(Si2O7)(SiO4)O(OH)
mineral
Almandine Garnet
Fe3Al2(SiO4)3
mineral
Amazonite
Microcline (var. Amazonite) - KAlSi3O8
mineral
Carnelian Agate
Carnelian (Silicon Dioxide - SiO2)
mineral
Tiger's Eye
Silicon Dioxide with Crocidolite inclusions (SiO2)
mineral
Carnelian (Chalcedony)
Silicon Dioxide (SiO2)
mineral
Carnelian Agate
Chalcedony (SiO2) with iron oxide inclusions
mineral
Rough Diamond
Diamond (Native Carbon, C)
mineral
Carnelian Agate
Chalcedony (SiO2) with iron oxide inclusions
mineral
Diamond in Gold Setting
Diamond (C - pure carbon)
mineral
Mystic Topaz
Aluminum silicate fluoride hydroxide with titanium coating (Al2SiO4(F,OH)2)
mineral
Amethyst (Purple), Sulfur (Yellow), and Blue Apatite
SiO2 (Quartz), S (Native Sulfur), Ca5(PO4)3(F,Cl,OH) (Apatite Group)
mineral
Tiger's Eye
Silicon Dioxide (Quartz with crocidolite inclusions), SiO2
gemstone
Amethyst and clear gemstone ring
Amethyst (purple quartz, SiO₂), likely set with colorless quartz or glass accents
gemstone
Orthoclase Feldspar
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Carnelian (Yellow-Orange Chalcedony)
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Dendritic Agate
Silicon Dioxide (SiO2) with Manganese/Iron inclusions
mineral
Turquoise
Turquoise (Hydrated phosphate of copper and aluminium) CuAl6(PO4)4(OH)8·4H2O
mineral
Sugilite
Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30)
mineral
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Carnelian
Carnelian (Silicate mineral, SiO2)
mineral
Amethyst
Amethyst (Silica mineral, SiO2)
mineral
Cubic Zirconia (CZ) in Gold-Plated Setting
Cubic Zirconium Dioxide (ZrO2)
mineral
Mixed Gemstone Collection
SiO2 (Quartz varieties) and Biogenic CaCO3 (Nacre)
mineral
Silver (Sterling Silver)
Argentum (Ag) mixed with Copper (Cu); Formula: Ag+Cu
mineral
Black Sapphire
Corundum (Al2O3)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral