Mother of Pearl (Nacre)
Calcium Carbonate (primarily aragonite, with conchiolin)
Organic Gemstone/Biomineral
Category
Man Made Glass Mineral Simulant
Browse man made glass mineral simulant specimens identified by the Rock Identifier community.
Learn about Man Made Glass Mineral Simulant in the encyclopedia
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Rose Quartz (likely carved)
Rose Quartz (SiO2)
Mineral
White Jade (Nephrite)
Nephrite, Ca2(Mg,Fe)5Si8O22(OH)2
Mineral
Chert
Chert (microcrystalline quartz)
sedimentary
Marble
Marble (metamorphosed limestone or dolostone), primarily composed of calcite (CaCO3) or dolomite (CaMg(CO3)2)
metamorphic
Snowflake Obsidian
Obsidian with Cristobalite inclusions
igneous
Titanium Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
mineral (man-enhanced)
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Snowflake Obsidian
Volcanic Glass with Cristobalite inclusions (SiO2)
igneous
Asphalt
Asphalt concrete (engineered material, not a naturally occurring rock/mineral in this form)
Sedimentary
Quartz with Muscovite Mica
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide (KAl2(AlSi3O10)(OH)2)
mineral
Snowflake Obsidian
Volcanic Glass with Cristobalite inclusions (SiO2)
igneous
Snowflake Obsidian
Spherulitic Volcanic Glass (primarily SiO2)
igneous
Garnet Beads
Garnet Group (complex nesosilicates, e.g., Almandine Fe3Al2(SiO4)3)
Mineral
Polymictic breccia, possibly volcanic breccia
Polymictic clastic breccia; likely a matrix-supported breccia containing lithic fragments, quartz, feldspar, and dark mafic minerals
sedimentary
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(F,OH)2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Muscovite Mica
KAl2(AlSi3O10)(F,OH)2
mineral
Muscovite Schist
KAl2(AlSi3O10)(OH)2 (Muscovite) in Schist Matrix
metamorphic
Snowflake Obsidian
Volcanic Glass (SiO2) with Cristobalite inclusions
igneous
Granite
Granite (a common rock name, not a single mineral species, composed primarily of quartz, feldspar, and mica/amphibole)
igneous
Sea Glass
Silica (SiO2) - Amorphous
Mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(F,OH)2)
mineral
Snowflake Obsidian
Spherulitic Obsidian (Volcanic Glass with Cristobalite)
igneous
Snowflake Obsidian
Spherulitic Obsidian (Amorphous volcanic glass with Phenocrysts of Cristobalite)
igneous
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Snowflake Obsidian
Volcanic Glass (SiO2 + impurities)
igneous
Snowflake Obsidian
Hydrated Volcanic Glass with Cristobalite inclusions
igneous
Snowflake Obsidian (Polished Cabochon)
Obsidian with Spherulitic Cristobalite (SiO2)
igneous
Quartz (Clear/Milky)
Silicon Dioxide (SiO2)
mineral
Muscovite Mica
Muscovite, KAl2(AlSi3O10)(OH)2
mineral
Green Aventurine
Aventurine Quartz (SiO2 + Fuchsite mica)
Mineral
![Lapis Lazuli (A metamorphic rock primarily composed of lazurite (Na,Ca)8[(S,SO4,Cl)2|(Al6Si6O24)], calcite (CaCO3), and pyrite (FeS2).) — Mineral](https://media.rockidentification.com/760dd0e4-f05b-4f64-aeb8-2b011a61a1b4-thumbnail.jpg)
Lapis Lazuli
A metamorphic rock primarily composed of lazurite (Na,Ca)8[(S,SO4,Cl)2|(Al6Si6O24)], calcite (CaCO3), and pyrite (FeS2).
Mineral
Green Aventurine
SiO2 (Silicon Dioxide with Fuchsite inclusions)
mineral
Muscovite Mica Schist
Muscovite Schist (KAl2(AlSi3O10)(OH)2)
metamorphic
Muscovite Schist
Mica Schist (primarily KAl2(AlSi3O10)(OH)2)
metamorphic
Feldspar in Matrix
Feldspar group minerals in metamorphic or igneous matrix
igneous
Snowflake Obsidian
Spherulitic Obsidian (Amorphous Volcanic Glass with Cristobalite inclusions)
igneous
Obsidian
Obsidian (Volcanic glass, primarily SiO2)
igneous
Quartz with Muscovite Mica
SiO2 with KAl2(AlSi3O10)(OH)2
mineral group
Snowflake Obsidian
Volcanic Glass with Cristobalite inclusions
igneous