Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Category
Browse mineral (man made aura treatment) specimens identified by the Rock Identifier community.
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Amber (and Citrine Quartz)
Succinite (Amber) and Silicon Dioxide (SiO2)
Carved Stone Turtle
Carved Soapstone and Quartz
Dyed Quartz Crystals
Silicon Dioxide (SiO2) with artificial pigment
Heat-Treated Citrine (Amethyst-based)
Quartz (Silicon Dioxide) - SiO2
Slag Glass (Cullet)
Amorphous Silicon Dioxide (SiO2) with metal oxide colorants
Calcite
Calcite (calcium carbonate, CaCO₃)
Diamond
Carbon (C)
Moissanite
Silicon Carbide (SiC)
Ruby (Corundum)
Aluminum oxide (Al2O3) with Chromium traces
Limestone with Calcite Veining
Sedimentary Calcium Carbonate (CaCO3)
Jadeite Bangle
NaAlSi2O6 (Jadeite pyroxene mineral aggregate)
Blue Topaz
Al2SiO4(F,OH)2 (Aluminum silicate fluoride hydroxide)
Diamond (Cut jewelry specimen)
Diamond (pure Carbon, C)
Turquoise (set in silver jewelry)
Turquoise - CuAl6(PO4)4(OH)8·4H2O (Hydrated copper and aluminum phosphate)
Green Quartz (Prasiolite)
Crystalline Silicon Dioxide (SiO2)
Amethyst and Citrine (Quartz variants)
Silicon Dioxide (SiO2)
Diamond
Carbon (C)
Diamond (Colorless/White)
Carbon (C)
Glauconitic Sandstone
Glauconitic Quartz Sandstone (K(Fe,Al)2(Si,Al)4O10(OH)2)
Tumbled honey calcite (probable)
Calcite, calcium carbonate (CaCO₃)
Mica Schist with Iron Staining
Muscovite/Biotite Schist
Pale green calcite
Calcite (CaCO₃), likely crystalline limestone or calcite-rich material
Rough Sapphire (Corundum)
Corundum (Al2O3)
Tumbled honey calcite (likely)
Calcite, calcium carbonate (CaCO₃)
Optical Calcite
Calcite (Calcium Carbonate, CaCO3)
Green Calcite
Calcium Carbonate (CaCO3)
Polished blue banded agate cabochon/ornamental slab
Microcrystalline quartz (chalcedony), SiO₂, with blue coloring or inclusions
Orange Calcite
Calcium Carbonate (CaCO3)
Himalayan Salt (Halite)
Halite (NaCl) with trace minerals
Smoky Quartz
Silicon Dioxide (SiO2) with natural radiation treatment
Diamond
Carbon (C)
Diamond (in a jewelry setting)
Carbon (C)
Black Onyx
Silicon Dioxide (SiO2)
Gold
Aurum (Au)
Calcite crystal
Calcite (calcium carbonate, CaCO₃)
Aragonite (Flos Ferri)
Calcium Carbonate (CaCO3)
Red Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Halite (Himalayan Pink Salt)
Halite - NaCl (Sodium Chloride)
Citrine Quartz
Quartz (SiO2) - specifically, a variety of macrocrystalline quartz
Tumbled pink calcite (probable)
Calcite, calcium carbonate (CaCO₃), likely manganocalcite variety