Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Category
Browse mineral (synthetic) specimens identified by the Rock Identifier community.
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rhodonite
Rhodonite (Mn, Fe, Mg, Ca)SiO3
Labradorite (Feldspar)
Labradorite: (Ca,Na)(Al,Si)4O8
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
Jasper (Green/Yellow Moss Jasper)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Celestine (or Celestite)
Strontium sulfate (SrSO4)
Smoky Quartz with Siderite and Pyrite
Silicon Dioxide (SiO2) with Ferrous Carbonate (FeCO3) and Iron Sulfide (FeS2)
Pink Tourmaline in Quartz Matrix
Elbaite (Na(Li,Al)3Al6(Si6O18)(BO3)3(OH)4) in Quartz (SiO2)
Black Star Diopside
Diopside (CaMgSi2O6) with asterism
Ferruginous Quartz (Iron-stained Quartz)
Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Rough Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
Green Kyanite
Kyanite (Al2SiO5)
Amethyst
Silicon Dioxide (SiO2 with iron impurities)
Carnelian
Carnelian (Silicon Dioxide, SiO2)
Dolomite on Prehnite (Saddle-shaped Dolomite)
Dolomite [CaMg(CO3)2] on Prehnite [Ca2Al(AlSi3O10)(OH)2]
Iron-stained Quartz
Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3/FeO(OH))
Botryoidal Agate
Chalcedony (Silicon Dioxide, SiO2)
Amazonite
Triklinic Potassium Feldspar (KAlSi3O8)
Red Howlite (Dyed)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5) with Red Dye
Rough Emerald/Green Beryl
Beryl (Be3Al2(SiO3)6) with trace amounts of Chromium or Vanadium
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Copper Nugget
Native Copper (Cu)
Green Aventurine
Quartz (SiO2) containing Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Diamond
Diamond (a metastable allotrope of carbon, C)
Quartz (vein quartz)
SiO2 (Silicon Dioxide)
Milky Quartz
Silicon Dioxide (SiO2)
Dark Igneous Rock (Likely Basalt or Diabase)
Basalt (extrusive igneous rock) or Diabase (intrusive igneous rock - also known as Dolerite), largely composed of plagioclase feldspar, pyroxene (augite), and sometimes olivine and amphibole. Exact mineralogy would require thin section analysis.
Amethyst (Tumbled)
Amethyst (Silicon Dioxide, SiO2 + Fe4+)
Quartz (Smoky/Grey variety)
Silicon Dioxide (SiO2)
Desert Rose
Gypsum (variety Selenite) or Barite, CaSO4·2H2O
Quartz Geode
Silicon Dioxide (SiO2)
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
Smoky Quartz
Silicon Dioxide (SiO2)
Ferruginous Quartz
Quartz (Silicon Dioxide) - SiO2 with Iron Oxide inclusions
Orange Calcite
Calcium Carbonate (CaCO3)
Aragonite (Botryoidal/Coralloidal variety)
Aragonite (CaCO3)
Amethyst
Silicon Dioxide (SiO2) with Fe3+ impurities
Smoky Quartz with Feldspar
Quartz (SiO2) with Potassium Feldspar (KAlSi3O8)
Pink Amethyst Geode
Silicon Dioxide (SiO2) with Hematite/Iron impurities