Gold (in Opaque Matrix/Jewelry)
Native Gold (Au)
mineral
Category
Mineral, Jewelry
Browse mineral, jewelry specimens identified by the Rock Identifier community.
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Amazonite
KAlSi3O8 (Potassium Feldspar / Microcline)
mineral
Obsidian
Volcanic Glass (Amorphous Silicon Dioxide)
igneous
Green Aventurine
Quartz (SiO2) with fuchsite inclusions
mineral
Agate (Chalcedony)
Silicon Dioxide (SiO2)
mineral
Cubic Zirconia (Faceted)
Zirconium dioxide (ZrO2)
mineral
Fossilized Shark Tooth (Otodus obliquus)
Otodus obliquus (Mineral: Fluorapatite)
mineral
Aventurine (Tan/Cream colored)
Quartz (SiO2) with mineral inclusions
mineral
Dendritic Agate (Tumbled)
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
mineral
Mystic Topaz
Aluminum Silicate Fluoride Hydroxide (Al2SiO4(F,OH)2) with metallic film coating
mineral
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Picture Jasper
Silicon Dioxide (SiO2) with iron oxide and silicate minerals
sedimentary
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Diamond (in a jewelry setting)
Cubic Carbon (C)
mineral
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Blue Quartz
Silicon Dioxide (SiO2) with inclusions
mineral
Amazonite
K(AlSi3O8), Microcline
mineral
Banded Agate (Onyx type)
Silicon Dioxide (SiO2)
sedimentary
Amethyst
Quartz (SiO2)
gemstone
Amethyst
Quartz (SiO2)
mineral
Yellow Topaz
Topaz - Al2SiO4(F,OH)2
gemstone
Aquamarine (Beryl)
Beryllium Aluminum Silicate - Be3Al2Si6O18
gemstone
Emerald
Beryl (Be3Al2(SiO3)6)
gemstone
Chalcedony (Agate) Pebble
Silicon Dioxide (SiO2)
mineral
Quartz Crystal Fragment
Silicon Dioxide (SiO2)
mineral
Quartz Crystal (Citrine / Golden Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (Smoky/Rose Quartz Pebble)
Silicon Dioxide (SiO2)
mineral
Hematoid Quartz (Fire Quartz)
Silicon Dioxide with Iron Oxide (SiO2 with Fe2O3)
mineral
Quartz (Milky Quartz / Quartz Crystal)
Silicon Dioxide (SiO2)
mineral
Red Jasper Pebble
Silicon Dioxide (SiO2) with Iron Oxide inclusions
sedimentary
Lemon Quartz (or Yellow Calcite)
Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3)
mineral
Garnet
Garnet Group (e.g., Almandine Fe3Al2(SiO4)3)
mineral
Agate
Chalcedony (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Chalcedony Nodule / Agate
Silicon Dioxide (SiO2)
sedimentary
Amethyst Cluster
Silicon Dioxide (Quartz variety: Amethyst), SiO2
mineral
Blue Lace Agate
Silicon Dioxide (Chalcedony variety), SiO2
gemstone
Agate
Chalcedony (SiO2)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
fossil
Quartz with Tourmaline
Silicon Dioxide (SiO2) with complex cyclosilicate inclusions
mineral
Amethyst
Quartz (Silicon Dioxide, SiO2)
mineral
Tourmalinated Quartz
Silicon Dioxide with Tourmaline inclusions (SiO2 + Na(Fe3Al6)(Al5Si6O18)(BO33)(OH4))
mineral