Fluorite
Calcium Fluoride (CaF2)
mineral
Category
Mineral With Artificial Coating
Browse mineral with artificial coating specimens identified by the Rock Identifier community.
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Malachite
Copper(II) carbonate hydroxide, Cu2CO3(OH)2
mineral
Fluorite
Calcium fluoride, CaF2
Mineral
Specular Hematite (on Schist/Matrix)
Hematite (Alpha-Fe2O3)
mineral
Emerald in Matrix (Tumbled)
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
gemstone
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace Titanium, Iron, or Manganese
mineral
Dyed Crackle Quartz
Silicon Dioxide (SiO2) with dye
mineral
Rhodochrosite
Rhodochrosite, Manganese Carbonate (MnCO3)
mineral
Pearl
Calcium Carbonate (CaCO3) with Conchiolin
mineral
Vesuvianite (Idocrase)
Ca19(Al, Mg, Fe)13(SiO4)10(Si2O7)4(OH, F, O)10
mineral
Native Gold
Gold (Au)
mineral
Pearl
Calcium carbonate (CaCO3) - Aragonite/Calcite variety
mineral
Diamond (in a jewelry setting)
Cubic Carbon (C)
mineral
Ocean Jasper or Orbicular Jasper
SiO2
mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Ocean Jasper
SiO2
mineral
Jasper or Agate pendant
Silicon dioxide (SiO2)
Mineral
Chrysocolla in Quartz
Chrysocolla (Cu,Al)2H2Si2O5(OH)4·nH2O in Quartz (SiO2)
gemstone
Pearl (Biogenic Mineraloid)
Calcium carbonate (CaCO3) primarily as Aragonite
mineral
Larimar
Pectolite, NaCa2Si3O8(OH)
mineral
Rhodonite
Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3
mineral
Pearl
Calcium carbonate (CaCO3) as Aragonite or Calcite
mineral
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate - (Mn,Fe,Mg,Ca)SiO3)
mineral
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate - Mn%,Fe%,Mg,Ca)SiO₃
mineral
Pearl
Calcium Carbonate (CaCO3)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Native Silver
Silver (elemental Ag)
mineral
Turquoise, Pearl, and Coral Necklace
CuAl6(PO4)4(OH)8·4H2O (Turquoise) / CaCO3 (Pearl and Coral)
mineral
Tree Agate
Silicon dioxide (SiO2)
Mineral
White Moonstone (Feldspar)
Potassium aluminum silicate (KAlSi3O8)
mineral
N/A (Non-Geological Object)
N/A
Snowflake Obsidian
Volcanic Glass with Spherulitic Cristobalite (SiO2)
igneous
Larimar
Blue Pectolite (NaCa2Si3O8(OH))
mineral
Chrysanthemum Stone
Chrysanthemum Stone (Calcite/Celestite/Strontianite in Limestone)
sedimentary
Ruby (varieties of Corundum)
Aluminum oxide (Al2O3) with Chromium traces
mineral
Rhodochrosite
Manganese Carbonate (MnCO3)
mineral
Asphalt Concrete
Bituminous conglomerate
sedimentary
Rhodonite
Rhodonite (Mn,Fe,Mg,Ca)SiO3
mineral
Lepidolite on Pegmatite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Chrysocolla in Cuprite (Sonora Sunrise)
Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O) with Cu2O
mineral