Shattuckite (Blue Quartz/Jasper Matrix)
Shattuckite (Copper Silicate Hydroxide - Cu5(SiO3)4(OH)2)
mineral
Category
Mineral, Jewelry
Browse mineral, jewelry specimens identified by the Rock Identifier community.
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Clear Quartz (Rock Crystal) Bracelet
Silicon Dioxide (SiO2)
gemstone
Fluorite
Calcium Fluoride (CaF2)
mineral
Quartz Mineral
Silicon dioxide (SiO2)
mineral
Green Fluorite (likely synthetic or heat-treated for jewelry)
Calcium Fluoride (CaF2)
mineral
Agate / Chalcedony Geode
Silicon Dioxide (SiO2)
sedimentary
Purple Chalcedony
Silicon Dioxide (SiO2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Turquoise, Pearl, and Coral Necklace
CuAl6(PO4)4(OH)8·4H2O (Turquoise) / CaCO3 (Pearl and Coral)
mineral
Likely amethyst (purple quartz) fragment
Quartz, SiO₂; purple variety colored by trace iron and irradiation
mineral
Dearest Jewelry (Multigemstone)
Combination of Diamond (C), Emerald (Be3Al2Si6O18), Amethyst/Rock Crystal (SiO2), Ruby (Al2O3), Emerald (Be3Al2Si6O18), Sapphire (Al2O3), and Topaz (Al2SiO4(F,OH)2)
Mineral
Tiger's Eye
Quartz pseudomorph after crocidolite (SiO2)
gemstone
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Quartz
Silicon dioxide (SiO2)
mineral
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Ruby (in jewelry)
Corundum (Al2O3 with Chromium traces)
mineral
Cubic Zirconia (in Jewelry)
Zirconium Dioxide (ZrO2)
mineral
Onyx (Black) and Mother of Pearl Inlay
Silicon Dioxide (SiO2) for Onyx; Aragonite (CaCO3) for Mother of Pearl
mineral
Chrysocolla and Malachite Beads
Hydrated copper silicates (Chrysocolla) and Copper carbonate hydroxide (Malachite)
mineral
Garnet (specifically Almandine or Pyrope)
Almandine (Fe3Al2Si3O12) or Pyrope (Mg3Al2Si3O12)
mineral
Cubic Zirconia (Diamond Simulant)
Zirconium Dioxide (ZrO2)
gemstone
Fluorite
Calcium Fluoride (CaF2)
mineral
Epidote
Epidote (Ca2(Al, Fe)3(SiO4)3(OH))
mineral
Small weathered fossil or mineral fragment
Indeterminate; possibly fossilized shell, bone, or a pale carbonate mineral
fossil
Moonstone
Orthoclase (Potassium Feldspar), (K,Na)AlSi3O8
mineral
Potassium Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
mineral
Unidentified polished mineral specimen
Indeterminate; likely a pale feldspar or quartz-bearing material
mineral
Fossil Shark Tooth
Carcharodon or Carcharias fossil (Vertebrate Fossil)
sedimentary
Peacock Ore (Bornite or Iridescent Chalcopyrite)
Bornite (Cu5FeS4) or Acid-treated Chalcopyrite (CuFeS2)
mineral
Fossil Shark Tooth
Chondrichthyes (class)
fossil
Fossil Shark Tooth
Carcharocles (Otodus) sp. or similar fossilized Chondrichthyes tooth
sedimentary
Specular Hematite
Hematite (Fe2O3)
mineral
Shark Tooth Fossil
Carcharocles megalodon or similar extinct shark tooth
fossil
Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Raw quartz crystal pendant
Quartz (silicon dioxide, SiO₂), likely milky or cloudy quartz
mineral
Mixed Gemstone and Mineral Collection
Mixed Silica and Carbonate minerals (SiO2, CaSO4·2H2O, etc.)
mineral
Dyed blue howlite or magnesite cabochon
Howlite (Ca₂B₅SiO₉(OH)₅), possibly magnesite (MgCO₃), artificially dyed blue
mineral
Faceted Gemstone
Unknown transparent mineral, possibly Diamond (C), Cubic Zirconia (ZrO2), Quartz (SiO2), or Glass
gemstone
Amygdaloidal Basalt
Amygdaloidal Basalt (containing quartz/agate or zeolite fill)
igneous
Pyrite
Iron Sulfide (FeS2)
mineral