Mica Specimen (Schist / Muscovite)
Muscovite / Biotite Mica (KAl2(AlSi3O10)(F,OH)2)
Category
Browse man made mineral simulant (glass) specimens identified by the Rock Identifier community.
Mica Specimen (Schist / Muscovite)
Muscovite / Biotite Mica (KAl2(AlSi3O10)(F,OH)2)
Quartz
Silicon Dioxide (SiO2)
Quartz-rich rock, likely milky quartz vein material
Quartz (SiO₂), possibly iron-stained massive quartz with minor feldspar or mica
Quartz pebble
Silicon dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Obsidian
Amorphous volcanic glass (SiO2)
Fulgurite
Fulgurite (Lechatelierite or fused sand/quartz)
Sandstone
Arenite (SiO2 based)
Polished/tumbled jasper, likely ocean jasper or brecciated jasper
Jasper: microcrystalline quartz (SiO₂) with iron oxides and other silicate impurities
Quartz (Milky or Clear fragment)
Silicon Dioxide (SiO2)
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing mica)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Aventurine
Aventurine Quartz (SiO2 with inclusions)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Chert (Flint)
Silicon dioxide (SiO2)
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
Milky quartz fragments
Quartz (silicon dioxide, SiO₂)
Milky Quartz
Silicon dioxide (SiO2)
Sandstone
Arenite
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
Aquamarine
Beryl (Be3Al2Si6O18)
Green Aventurine
Si O2 (Silicon Dioxide with Fuchsite inclusions)
Red Quartzite (Strawberry Quartz)
Quartzite (SiO2 with iron oxide inclusions)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Honey calcite cluster
Calcite (calcium carbonate, CaCO₃)
Large calcite crystal cluster
Calcite (calcium carbonate, CaCO₃)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Raw Chunk)
Silicon Dioxide (SiO2)
Tumbled Amethyst
Quartz (SiO2) with trace amounts of Iron (Fe)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Tumbled amethyst with possible lepidolite/colored quartz companion
Amethyst, purple quartz (SiO₂), likely with iron-related color centers
Milky quartz
Quartz (silicon dioxide, SiO₂)
Smoky quartz-bearing pegmatitic rock
Quartz, SiO₂, likely with feldspar and mica inclusions
Quartz Crystal Matrix
Silicon Dioxide (SiO2)
Quartz pebble
Silicon dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)