Lodolite (Garden Quartz)
Silicon Dioxide (SiO2) with inclusions (Chlorite, Hematite, etc.)
Category
Browse mixed (predominantly sedimentary and igneous) specimens identified by the Rock Identifier community.
Lodolite (Garden Quartz)
Silicon Dioxide (SiO2) with inclusions (Chlorite, Hematite, etc.)
Amethyst (Chevron or Banded Amethyst)
Silicon Dioxide (SiO2 with iron impurities)
Tiger's Eye (Rough)
Pseudomorph of Quartz after Crocidolite (SiO2 with Iron inclusions)
Jadeite (Jade)
Jadeite, NaAlSi₂O₆
Banded Agate (specifically Botswana Agate or Water-line Agate)
Chalcedony (cryptocrystalline variety of Quartz), SiO2
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)
Tiger's Eye (likely variant or dark tumble)
Pseudomorph of Quartz after Crocidolite (SiO2)
Moonstone
Orthoclase feldspar ((K,Na)AlSi3O8)
Diamond
Native Carbon (C)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
Turquoise
Hydrous phosphate of copper and aluminum (CuAl6(PO4)4(OH)8·4H2O)
Tree Agate
Dendritic Agate (Silicon Dioxide, SiO2 + Manganese/Iron oxides)
Turquoise and Hematite
Turquoise (CuAl6(PO4)4(OH)8·4H2O) and Hematite (Fe2O3)
Tiffany Stone
Fluorite Opal (a complex mix of Fluorite, Opal, Calcite, Dolomite, Quartz, and Bertrandite)
Moss Agate
Chalcedony (Silicon Dioxide / SiO2)
Amethyst (Tumbled)
Purple Quartz (SiO2 with iron impurities and irradiation)
Diamond (in jewelry mount)
Carbon (C)
Amethyst (Cabochon)
Silicon Dioxide (SiO2) with iron impurities
Chlorastrolite (Isle Royale Greenstone)
Chlorastrolite (Pumpellyite-(Mg,Al)), formula: Ca2(Mg,Fe)Al2(SiO4)(Si2O7)(OH)2∙H2O
Amazonite
Amazonite (K(AlSi3O8))
Pyrite
Iron Sulfide (FeS2)
Rose Quartz
Rose Quartz (SiO2)
Citrine
Quartz (SiO₂)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Cobalt Blue Sea Glass
Amorphous Silica Glass (SiO2 + CoO)
Flower Agate (Plume Agate)
Chalcedony (Silicon Dioxide) with Spherulitic Inclusions - SiO2
Limonite (Yellow Ochre)
FeO(OH)·nH2O (Hydrous iron(III) oxide-hydroxide mixture)
Magnetite
Magnetite (Fe3O4)
Dalmation Stone
Peralkaline Rock (SiO2 with Arfvedsonite)
Rutilated Quartz
Quartz (SiO2) with Rutile (TiO2) inclusions
Ocean Jasper
Silicon Dioxide (SiO2) with various inclusions
Orange Calcite
Calcium Carbonate (CaCO3)
Green Opal
Hydrated Silica (SiO2·nH2O)
Rose Quartz
Quartz (SiO2) with trace elements of titanium, iron, or manganese
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Larimar
Pectolite (Blue variety), NaCa2Si3O10(OH)
Howlite and Purpurite druzy
Calcium Borosilicate Hydroxide (Howlite) and Manganese Phosphate (Purpurite)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Lapis Lazuli
Lapis Lazuli (Rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2, Pyrite, and Calcite)
Blue Goldstone
Aventurine Glass (Silicon Dioxide infused with Cobalt/Copper)