Petoskey Stone
Hexagonaria percarinata
fossil
Category
Man Made Object (Simulant)
Browse man made object (simulant) specimens identified by the Rock Identifier community.
Learn about Man Made Object (Simulant) in the encyclopedia
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Sandstone Pebble
Ferruginous Sandstone (SiO2 with Fe2O3)
sedimentary
Picasso Stone
Metamorphic Limestone (Marble)
metamorphic
Chert (Cherty Shale / Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Sea Glass
Amorphous Silica (Glass) SiO2
Mineraloid (Man-made origin)
Clay Brick
Ceramic structural unit (Al2O3·2SiO2·2H2O as precursor)
metamorphic (man-made/anthropogenic)
Synthetic Costume Accessory (Non-Geological)
Polyester and Acrylic Fiber (Anthropogenic polymer)
Synthetic / Man-made textile
Sea Glass (Cobalt Blue)
Amorphous Silica (Glass with Cobalt additives)
Anthropogenic specimen (man-made)
Artificial Rock Face (Faux Rock)
Glass Fiber Reinforced Concrete (GFRC)
man-made/construction material
Blue Goldstone
Aventurine Glass (Silicon Dioxide infused with Cobalt/Copper)
Synthetic (Man-made Glass)
Synthetic Marbled Aggregate (Footwear Component)
Ethylene-vinyl acetate (Croslite™)
not a rock (man-made polymer)
Porcelain (Kaolin-based)
Alumina silicate ceramic (composed primarily of Kaolinite: Al2Si2O5(OH)4)
metamorphic (man-made/engineered)
Blue Slag Glass
Ferro-silicate glass (Slag)
igneous (man-made/industrial)
Cullet Glass (Strawberry Glass)
Amorphous Silicon Dioxide (SiO2) with metallic dopants
Mineraloid (Synthetic/Man-made)
Slag (Industrial Glass/Metal)
Ferrous slag or Glassy silicate byproduct
Antropogenic rock (Man-made)
Asphalt (Bituminous Concrete)
Composite material (bitumen binder with mineral aggregate)
man-made rock (technosol)
Granite
Intrusive Igneous Rock (Granitic)
igneous
Sandstone
Arenite (with iron oxide cement)
sedimentary
Sandstone (Quartzose)
Arenite (composed primarily of SiO2)
sedimentary
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Granite
Phaneritic Felsic Igneous Rock
igneous
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone
Arenite
sedimentary
Granite
Granite (Phaneritic Quartz-Feldspar intrusive rock)
Igneous
Asphalt aggregate (crushed stone in bitumen)
Artificial composite; predominantly crushed granite, basalt, limestone, and/or recycled aggregate bound by bitumen
sedimentary
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Black Onyx
Chalcedony (SiO2)
gemstone
Jasper
Silicon dioxide (Quartz variety), SiO2
sedimentary
Prehnite
Ca2Al(AlSi3O10)(OH)2
mineral
Jasper
Silicon Dioxide (SiO2), Microcrystalline Quartz
sedimentary
Snowflake Obsidian
Volcanic Glass with Cristobalite inclusions
igneous
Blue Agate Slice
Chalcedony (SiO2)
gemstone
Green Jasper
Microcrystalline Quartz (SiO2) with mineral inclusions
sedimentary
Green Aventurine
Quartz with Fuchsite inclusions (SiO2)
mineral
Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Pink Coral
Corallium rubrum (or related species, composed of calcium carbonate)
gemstone
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
White Quartz
Silicon Dioxide (SiO2)
mineral