Silver (Jewelry Specimen)
Native Silver (Ag)
Mineral (Native Element)
Category
Sedimentary (Primary) With Artificial Modification
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
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Gold-bearing Quartz
Native Gold (Au) in Quartz (SiO2) matrix
mineral
Gold Nugget
Native Gold (Au)
mineral
Gold and Diamond
Native Gold (Au) and Diamond (C)
mineral
Gold-Bearing Quartz
Silicon Dioxide with Native Gold (SiO2 + Au)
mineral
Diamond in Kimberlite
Kimberlite host rock with C (Carbon) inclusion
igneous
Garnet (Pyrope or Almandine)
Silicate (X3Y2Si3O12)
mineral
Diamond
Natural Diamond (Carbon, C)
mineral
Diamond (set in jewelry)
Carbon (C)
mineral
Galena in Quartz Matrix
Lead Sulfide (PbS) in Silicon Dioxide (SiO2)
mineral
Gold Ore (in Quartz/Sulfide matrix)
Native Gold (Au) in Quartz (SiO2) and Pyrite (FeS2)
mineral
Gold Ore in Quartz/Matrix
Native Gold (Au) in Quartz (SiO2) matrix
mineral
Kimberlite
Kimberlite (Group I or II)
igneous
Aquamarine with Ruby Accent
Beryllium Aluminum Silicate (Be3Al2Si6O18) with Aluminum Oxide (Al2O3)
mineral
Magnetite (likely in Hematite or Ironstone)
Magnetite (Fe3O4)
mineral
Pearl (likely Freshwater or Akoya Cultured)
Aragonite / Conchiolin composite (CaCO3)
Mineralloid (Organic gemstone)
Gold Nugget
Native Gold (Au)
mineral
Prehnite
Prehnite, Ca2Al(AlSi3O10)(OH)2
mineral
Silver (Jewelry form)
Native Silver (Ag)
mineral
Gold Ore in Quartz
Auriferous Quartz (Gold: Au; Quartz: SiO2)
Mineral
Botryoidal Hematite (Kidney Ore)
Iron(III) oxide (Fe2O3)
Mineral
Gold Nugget
Native Gold (Au)
mineral
Amethyst
Amethyst (Silicon Dioxide, SiO2)
mineral
Gold Ore
Native Gold in Quartz (Au)
mineral
Moissanite
Silicon Carbide (SiC)
mineral
Amethyst
Amethyst (Silicon Dioxide, SiO2 + Fe4+ impurities)
mineral
Gold Nugget
Native Gold (Au)
mineral
Specular Hematite
Hematite (Fe2O3)
mineral
Diamond
Diamond (pure Carbon, C)
mineral
Jadeite (Jade)
NaAlSi2O6 (Sodium Aluminum Silicate)
metamorphic
Diamond
Carbon (C)
mineral
Diamond (Cut jewelry specimen)
Diamond (pure Carbon, C)
mineral
Quartz Vein in Host Rock (often Granite or Schist)
Silicon Dioxide (SiO2) within host matrix
mineral with metamorphic or igneous host
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pink Granite
Phaneritic Felsic Igneous Rock (Rich in K-Feldspar)
igneous
Quartz in Matrix (possibly Basalt or Siltstone host)
Silicon Dioxide (SiO2) in Host Rock
mineral
Basalt
Basalt (dominated by Plagioclase Feldspar and Pyroxene)
igneous
Pink Tourmaline (Rubellite) in Lepidolite
Elbaite (Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)4) in Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
igneous
Granite
Granite (Phaneritic Quartz-Feldspar Igneous Rock)
igneous
Diabase
Diabase (also known as Dolerite)
igneous
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Quartz Vein in Host Rock (Gabbro or Basalt)
Silicon Dioxide (SiO2) with Mafic Silicates
metamorphic/igneous