Kyanite
Kyanite (Al2SiO5)
mineral
Category
Sedimentary Like (Industrial Composite)
Browse sedimentary like (industrial composite) specimens identified by the Rock Identifier community.
Learn about Sedimentary Like (Industrial Composite) in the encyclopedia
View all →
Sandstone / Quartzite
Sedimentary quartz arenite
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide impurities), SiO2
sedimentary
Quartz with Muscovite Mica
SiO2 with KAl2(AlSi3O10)(OH)2
mineral group
Specular Hematite (Specularite)
Iron Oxide (Fe2O3)
mineral
Slag Glass (Cullet Glass)
Amorphous Silica (Industrial byproduct)
mineral
Blue Kyanite
Kyanite (Al2SiO5)
mineral
Schist
Mica Schist
metamorphic
Cullet (Slag Glass)
Amorphous Silica (Industrial byproduct)
mineraloid
Mica Schist
Schist (muscovite/biotite rich regional metamorphic rock)
metamorphic
Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Chert (often called Flint when dark)
Chert (Microcrystalline or Cryptocrystalline Silica, SiO2)
sedimentary
Pumice
Pumice (a vesicular volcanic glass)
igneous
Diamond (set in a eternity ring band)
Carbon (C)
gemstone
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) vein cutting through host rock
mineral
Chert (specifically Blue or Grey Chert/Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Quartz (Iron-Stained)
Crystalline Silicon Dioxide (SiO2)
mineral
Industrial Slag
Anthropogenic Vitreous Slag
igneous
Chert (Nodule)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Satin Spar (often marketed as Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
mineral
Iron Slag
Ferrous Slag (Industrial Byproduct)
mineraloid (anthropogenic byproduct)
Gravel and Sediment Sample
Mixed clastic sediment
sedimentary
Sapphire
Corundum (Al2O3)
mineral
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Chert / Jasper
Silicon Dioxide (SiO2)
sedimentary
N/A - Man-made object (Jewelry Chain)
Antiqued or Oxidized Metal Chain (often Steel or Brass)
Mineral (processed metal)
Fossilized Shark Tooth
Carcharodon (Galeocerdo sp. or Lamniform)
mineral
Hematite or Goethite-rich Ironstone
Ironstone (Oxidized Iron Ore)
sedimentary
Slag (Industrial Glass Slag)
Amorphous Silicate Glass (often containing Al, Ca, Mg, and Ti oxides)
Mineraloid (Industrial byproduct)
Blue Slag Glass
Amorphous Silica (Industrial byproduct)
Antropogenic (Man-made glass byproduct)
Serpentinite
Serpentinite (composed primarily of serpentine group minerals like lizardite, antigorite, and chrysotile)
metamorphic
Slag
Glassy silicate byproduct (anthropogenic material)
industrial byproduct
Quartz Geode
Silicon Dioxide (SiO2) in Geode form
sedimentary
Quartzite
Quartzite (primarily SiO2)
metamorphic
Chert (often called Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Coal
Bituminous or Anthracite coal (carbon-rich sedimentary rock)
sedimentary
Diamond (or Diamond Simulant)
Carbon (C) or Zirconium dioxide (ZrO2) for CZ
gemstone
Carborundum
Silicon Carbide (SiC)
mineral
Corundum (Pink Sapphire / Ruby)
Al2O3 (Aluminum Oxide)
mineral
Satin Spar (commonly sold as Selenite)
Hydrous Calcium Sulfate (CaSO4·2H2O)
mineral
Slag (Industrial Byproduct)
Ferrous/Non-ferrous Silicate
igneous (artificial/anthropogenic)