Asphalt Concrete
Bituminous conglomerate
Category
Browse man made object (coin) specimens identified by the Rock Identifier community.
Asphalt Concrete
Bituminous conglomerate
Slag (Industrial Byproduct)
Artificial silicate/iron byproduct
Opaline Glass (Opalite)
Synthetic Silicon Dioxide Glass
Titanium Aura Quartz
Titanium bonded Silicon Dioxide (SiO2 + Ti)
N/A - Man-made object (Jewelry Chain)
Antiqued or Oxidized Metal Chain (often Steel or Brass)
Aura Quartz (Titanium Quartz)
Titanium-coated Silicon Dioxide (SiO2 + Ti)
Concretion (Sandstone)
Carbonate-cemented Sandstone Concretion
Concrete Rubble with Aggregate
Hardened Portland Cement Paste with Coarse Aggregate
Terrazzo (Man-made Composite)
Cementitious or Resin-bound Lithic Composite
Concrete Paver (Artificial Cementitious Rock)
Hydrated Portland Cement Aggregate
Unidentifiable Rock Fragment
Asphalt Concrete (Bituminous Conglomerate)
Anthropogenic Bituminous Conglomerate
Opalite
Synthetic Glass (Amorphized Silicon Dioxide)
Asphalt Concrete (Bituminous Pavement)
Aggregates in Bitumen Matrix
Slag
Glassy silicate byproduct (anthropogenic material)
Opalite (Synthetic Moonstone/Opal)
Synthetic Silica Glass
Quartz (Engineered Stone Countertop)
Silicon Dioxide (SiO2) with polymer resins
Blue Goldstone
Auraventurine (Synthetic glass with cobalt and copper inclusions)
Concrete
Anthropogenic Sedimentary Conglomerate (Cement mixture: typically Ca2SiO4, Ca3SiO5, Ca3Al2O6)
Asphalt / Road Aggregate
Bituminous Conglomerate (synthetic)
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial Byproduct)
Asphalt (Road Aggregate)
Asphalt concrete / Bituminous mixture
Aluminum Slag
Anthropogenic Aluminum (Al)
Dzi Bead (Etched Chalcedony)
Cryptocrystalline Quartz (SiO2) with chemical etching
Cullet (Slag Glass)
Amorphous Silica (SiO2) with various metal oxide colorants
Man-made Polished Porcelain Tile (Artificial Geologic Lookalike)
Fused Silicate Ceramic with Alumina (Synthetic Kaolinite derivative)
Dalmatian Stone
Dalmatian Jasper (a misnomer for an Aplite with Arfvedsonite spots)
Concrete / Anthropogenic Conglomerate
Man-made composite material (Portland cement, aggregate, and water)
Polymer Clay (Mock Mineral)
Polyvinyl chloride (PVC) with plasticizers and pigment
Concrete with Aggregate
Artificial Conglomerate (Cement and Aggregate)
Opalite
Opalescent Glass (SiO2 + coloring agents)
Green Agate
Silicon dioxide (SiO₂)
Acrylic or Resin (Synthetic Imitation)
Polymethyl Methacrylate (PMMA) or Polyepoxide
Porcelain (White Ceramic)
Mullite-bearing Vitrified Ceramic (Major phases: Mullite Al6Si2O13, Glassy Silica SiO2)
Conglomerate
Conglomerate (clastic sedimentary rock)
Diamond
Native Carbon (C)
Concrete / Conglomerate (Man-made)
Artificial Conglomerate (Cementitious Composite)
Ocean Jasper Mushroom
Orbicular Jasper (Silicon Dioxide, SiO2 mixed with various impurities)
Concrete Fragment
Hardened Portland Cement Composite
Slag
Anthropogenic glassy silicate
Sandstone-based Concrete Fragment
Cementitious Composite with Sedimentary Aggregate
Aura Quartz Geodes (Lab-Altered)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition