Limonite (Ironstone Concretion)
Limonite (Hydrous Ferric Oxides mixed with Goethite)
sedimentary
Category
Mineralogical Simulant
Browse mineralogical simulant specimens identified by the Rock Identifier community.
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Pink Granite
Phaneritic Felsic Igneous Rock
igneous
Diamond
Carbon (C)
gemstone
Gossan with Copper Carbonate (Chrysocolla/Malachite)
Ferruginous Oxide (Gossan) with Cu2CO3(OH)2 (Malachite) or (Cu,Al)2H2Si2O5(OH)4 (Chrysocolla)
Mineral/Sedimentary Interface
Eclogite
Eclogite (Omphacite-Garnet rock)
metamorphic
Amphibolite
Amphibolite (rich in amphibole and plagioclase feldspar)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Granite
Phaneritic Igneous Rock (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)
igneous
Granite
Granite (Felsic intrusive igneous rock)
igneous
Gneiss
High-grade Metamorphic Gneiss
metamorphic
Diamond (or Diamond Simulant)
Carbon (C)
mineral
Diorite Gneiss
Foliated Diorite Gneiss
metamorphic
Serpentine
Serpentinite (group of hydrous magnesium iron phyllosilicate minerals)
metamorphic
Snowflake Obsidian
Volcanic Glass with Cristobalite inclusions
igneous
Banded Calcite (Mexican Onyx)
Calcium Carbonate (CaCO3)
mineral
Optical Calcite (Iceland Spar)
Calcite (Calcium Carbonate, CaCO3)
mineral
Diamond (or Diamond Simulant)
Carbon (C)
gemstone
Gabbro
Gabbro (composed mainly of calcium-rich plagioclase feldspar and pyroxene)
igneous
Crushed Stone (Gravel/Aggregates)
Crushed rock aggregate (varied composition including Granite, Limestone, and Quartz)
sedimentary and igneous (mixed)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Granite
Granite (Felsic Plutonic Rock)
igneous
Serpentinite
Serpentinite (composed primarily of Serpentine minerals: Mg3Si2O5(OH)4)
metamorphic
Pink Cubic Zirconia (CZ)
Zirconium Dioxide (ZrO2)
mineral (synthetic)
Howlite
Howlite (Calcium borosilicate hydroxide, Ca2B5SiO9(OH)5)
mineral
Diamond (or Diamond Simulant)
Carbon (C)
mineral
Diamond (or Cubic Zirconia simulant)
Carbon (C) - Diamond / Zirconium dioxide (ZrO2) - CZ
mineral
Banded Gneiss (with Quartz Vein)
Gneiss (Metamorphic rock of varying mineralogy)
metamorphic
Diamond (or synthetic simulant)
Cubic C (Carbon)
mineral
Granite
Granite (Phaneritic igneous rock)
igneous
Granite
Phaneritic Igneous Rock (composed primarily of Quartz SiO2, Alkali Feldspar, and Plagioclase)
igneous
Cubic Zirconia (Diamond Simulant)
Zirconium Dioxide (ZrO2)
gemstone
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2 with minor Fe2O3)
sedimentary
Hematite / Goethite (Iron Ore)
Iron Oxide (Fe2O3 / FeO(OH))
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Cubic Zirconia (Simulated Diamond)
Zirconium Dioxide (ZrO2)
mineral (synthetic)
Quartzite
Quartzite (primarily SiO2)
metamorphic
Red Granite
Phaneritic Felsic Intrusive Igneous Rock (primarily K-feldspar, Quartz, and Biotite)
igneous
Red Granite
Phaneritic Plutonic Rock (High Potassium Feldspar)
igneous
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
mineral
Charoite
Charoite (K(Ca,Na)2Si4O10(OH,F)·nH2O)
metamorphic
Hypersthene
Enstatite (Hypersthene variety), (Mg,Fe)SiO3
mineral
Diamond (Faceted)
Carbon (C)
gemstone