Costume Jewelry with Synthetic Gemstones
Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)
mineral
Category
Man Made
Browse man made specimens identified by the Rock Identifier community.
Learn about Man Made in the encyclopedia
View all →
Aggregate Concrete
Anthropogenic Conglomerate (Technosol)
sedimentary
Asphalt Concrete
Bituminous Concrete
sedimentary (artificial)
Opaline Glass (Opalite)
Synthetic Silicon Dioxide Glass
Mineraloid (Man-made)
Titanium Aura Quartz
Titanium bonded Silicon Dioxide (SiO2 + Ti)
mineral
Opalite Egg
Synthetic Glass (Simulated Opal)
mineral
Rainbow Hematite Ring
Iron(III) oxide (Fe2O3) with thin-film coating
mineral
Polymer Clay (Mock Mineral)
Polyvinyl chloride (PVC) with plasticizers and pigment
Synthetic material (Not a natural rock/mineral)
Concrete with Aggregate
Artificial Conglomerate (Cement and Aggregate)
sedimentary
Opalite
Opalescent Glass (SiO2 + coloring agents)
Mineral (Synthetic/Man-made)
Clear quartz fragment (rock crystal)
Quartz, silicon dioxide (SiO₂)
mineral
Milky quartz (rough fragment)
Quartz, silicon dioxide (SiO₂)
mineral
Rock crystal (clear quartz), possibly cloudy quartz
Quartz, silicon dioxide (SiO₂)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Concrete Rubble with Aggregate
Hardened Portland Cement Paste with Coarse Aggregate
Anthropogenic (Man-made)
Concrete
Anthropogenic Conglomerate
sedimentary
Obsidian (likely black volcanic glass)
Obsidian; primarily amorphous volcanic silica glass, approximately SiO₂-rich rhyolitic composition
igneous
Aura Quartz (Titanium Quartz)
Titanium-coated Silicon Dioxide (SiO2 + Ti)
mineral
Concretion (Sandstone)
Carbonate-cemented Sandstone Concretion
sedimentary
Sea Glass
Man-made silicate glass (Amorphous silicon dioxide)
sedimentary
Opalite
Synthetic Opalized Glass
gemstone
Opalite
Synthetic Glass (Amorphized Silicon Dioxide)
mineraloid
Asphalt Concrete (Bituminous Pavement)
Aggregates in Bitumen Matrix
Technogenic / Anthropogenic Pavement Material
Slag
Glassy silicate byproduct (anthropogenic material)
industrial byproduct
Opalite (Synthetic Moonstone/Opal)
Synthetic Silica Glass
mineraloid (synthetic)
Quartz (Engineered Stone Countertop)
Silicon Dioxide (SiO2) with polymer resins
Sedimentary-like (Industrial Composite)
Aluminum Slag
Anthropogenic Aluminum (Al)
mineral
Sea Glass
Man-made vitreous material (silica-based glass)
mineral
Blue Goldstone
Man-made glass with crystalline copper/cobalt inclusions
mineral
Slag
Anthropogenic Vitreous Silica/Iron oxides
mineral-like byproduct
Raw quartz crystal
Quartz (silicon dioxide, SiO₂), likely milky or included quartz
mineral
Opalite
Man-made opalescent glass (SiO2 + metal oxides)
mineral (synthetic)
Cobalt Glass Slug (Cullet)
Man-made Silicate Glass with Cobalt Oxide (CoO)
mineraloid
Rose Quartz and Cherry Quartz (Dyed Glass/Quartz)
Silicon Dioxide (SiO2) with inclusions/dye
gemstone
Goldstone (Brown/Gold)
Aventurine Glass (Man-made glass with Copper inclusions)
gemstone
Porcelain Tile (Sandstone-look)
Man-made Ceramic (resembling Quartz-rich Sandstone)
sedimentary (imitation)
Opalite crescent pendant
Opalite (man-made opalescent glass; not a natural mineral)
gemstone
Sea Glass
Man-made vitreous material (silica-based glass)
mineral
Sea Glass
Man-made silicate glass (Amorphous silicon dioxide)
mineral
Goldstone
Aventurine Glass (Man-made glass with copper inclusions)
mineraloid / man-made glass
Aura Quartz (specifically Titanium Aura Quartz)
Titanium-coated Silicon Dioxide (SiO2 + Ti Coating)
mineral
Blue Goldstone
Synthetic glass with cobalt and copper inclusions
man-made glass