Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
Category
Browse mineral, jewelry specimens identified by the Rock Identifier community.
Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
Calcite
Calcite (Mineral, Calcium Carbonate - CaCO3)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Jasper
Jasper (Silicate mineral, SiO2)
Diamond (in Gold Jewelry)
Carbon (C)
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
Peach Moonstone
Orthoclase Feldspar (KAlSi3O8)
Pyrite
Iron Sulfide (FeS2)
Garnet (Almandine/Pyrope series)
Silicate mineral (Almandine: Fe3Al2Si3O12; Pyrope: Mg3Al2Si3O12)
Amber
Succinite (fossilized resin, C10H16O)
Feldspar
KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8
Green Chalcedony
Silicon Dioxide (SiO2) with trace minerals
Natural Pearl (appearing in a jewelry setting)
Calcium Carbonate (mostly Aragonite), CaCO3 with Conchiolin
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Hematite
Iron(III) oxide (Fe2O3)
Amazonite
K(AlSi3O8) - Potassium Feldspar (Microcline variant)
Amazonite
Potassium Aluminum Silicate (KAlSi3O8)
Carnelian Agate
Silicon Dioxide (SiO2) with Ferric Oxide inclusions
Dendritic Quartz Pebble
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz / Rock Crystal
Silicon Dioxide (SiO2)
Gold (Elemental Metal)
Gold (Au)
Malachite
Malachite - Cu2CO3(OH)2
White Moonstone (Feldspar)
Potassium aluminum silicate (KAlSi3O8)
Chakra Stone Bracelet (mixed gemstones)
Multi-mineral/Gemstone assembly (primarily Quartz variety beads)
Granite
Granite (a broadly defined plutonic igneous rock, often more specifically classified as quartz monzonite or granodiorite based on precise mineral percentages)
Dendritic Agate
Silicon Dioxide with Manganese/Iron oxide inclusions (SiO2)
Milky Quartz with Mineral Inclusions
Quartz (Silicon Dioxide, SiO2)
Pyrope Garnet (Bohemian Garnets)
Pyrope (from the group Mg3Al2(SiO4)3)
Opalite
Synthetic Glass (Simulated Opal)
Lapis Lazuli
Lapis Lazuli (Mineral composition: Lazurite (Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2, Calcite, and Pyrite)
Aquamarine
Beryl (Be3Al2Si6O18)
Diorite (possibly fine-grained variety or a related intermediate intrusive rock like a felsic gabbro or a dark granodiorite)
Diorite (Igneous rock, intrusive, intermediate composition)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Snowflake Obsidian
Volcanic Glass with Spherulitic Cristobalite (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Nephrite Jade
Nephrite
Banded Rhyolite (likely Green Jasper/Agate variety)
Silicon Dioxide (SiO2) with mineral inclusions