Orange Calcite
Calcium Carbonate (CaCO3)
Category
Browse mineral, specifically an iron ore specimens identified by the Rock Identifier community.
Orange Calcite
Calcium Carbonate (CaCO3)
Banded Agate (specifically Moss Agate or Plume Agate variety)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Peacock Ore (Chalcopyrite/Bornite)
Bornite (Cu5FeS4) or iridescent treated Chalcopyrite (CuFeS2)
Chrysocolla in Matrix
Chrysocolla (Cu,Al)2H2Si2O5(OH)4·nH2O
Milky Quartz with Mineral Inclusions
Quartz (Silicon Dioxide, SiO2)
Ruby
Corundum (Al2O3 with Chromium impurities)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Dalmatian Stone
Peralkaline Feldsphathic Igneous Rock
Azurite in Matrix
Azurite (Cu3(CO3)2(OH)2)
Chalcopyrite (Peacock Ore)
Chalcopyrite (CuFeS2)
Silver (S925)
Native Silver (Ag)
Purple Lepidolite with Quartz
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Chrysocolla in Cuprite (Sonora Sunrise)
Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O) with Cu2O
Green Fluorite
Calcium Fluoride (CaF2)
Moonstone
Orthoclase (KAlSi3O8), specifically the variety showing adularescence
Amazonite (or Amazon Stone)
Potassium Feldspar (Microcline), K(AlSi3O8)
Amazonite
Amazonite (KAlSi3O8 - Microcline)
Green Aventurine
Aventurine Quartz (SiO2 with inclusions)
Chrysocolla
Chrysocolla: Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O
Azurite with Malachite
Azurite: Cu3(CO3)2(OH)2 / Malachite: Cu2CO3(OH)2
Chrysocolla
Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O)
Smoky Quartz
Silicon Dioxide (SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Chalcedony (Agate/Chert)
Silicon Dioxide (SiO2)
Ruby
Corundum (Al2O3 with Chromium trace elements)
Chrysocolla on Matrix
Hydrated copper phyllosilicate (Cu,Al)2H2Si2O5(OH)4·nH2O
Citrine
Silicon dioxide (SiO2)
Citrine Quartz (likely heat-treated)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Banded Agate
Cryptocrystalline Quartz (SiO2)
Amazonite
K(AlSi3O8), Microcline (potassium feldspar)
Zircon
Zirconium Silicate (ZrSiO₄)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Chert (specifically Jasper/Flint pebble)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Seraphinite
Clinochlore (a variety of the chlorite group)
Iron Slag
Iron smelting byproduct (Glassy/vesicular silicate)
Slag
Ferrous Slag (Siliceous industrial waste)
Ethiopian Fire Opal
Hydrated Silica (SiO2·nH2O)
Bauxite
Bauxite (mixture of Hydrous Aluminum Oxides)