Felsic Drill Core (likely Gneiss or Granite)
Felsic Metamorphic Rock (Gneissic profile)
metamorphic
Category
Man Made Glass
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Concrete with Exposed Aggregate
Anthropogenic conglomerate (Concrete)
man-made rock (sedimentary analogue)
Ironstone Concretion (Pot Stone)
Siderite or Limonite Concretion (FeCO3 or FeO(OH)·nH2O)
sedimentary
Crackled Quartz (Dyed)
Silicon Dioxide (SiO2)
mineral
Slag
Anthropogenic Vitreous Silica/Iron oxides
mineral-like byproduct
Ferro-silicate Slag
Industrial Vitrified Slag (High-silica amorphous glass)
Mineral byproduct (Anthropogenic)
Engineerged Quartz (Quartz Composite)
SiO2 (Silicon Dioxide) in a polymer resin matrix
mineral
Acrylic or Resin (Synthetic Imitation)
Polymethyl Methacrylate (PMMA) or Polyepoxide
Synthetic/Man-made Polymer
Porcelain (White Ceramic)
Mullite-bearing Vitrified Ceramic (Major phases: Mullite Al6Si2O13, Glassy Silica SiO2)
metamorphic
Chakra Stone Tower (Composite Multi-Mineral)
Crystalline Silicon Dioxide composite (SiO2) with various inclusions
mineral
Concrete Fragment
Hardened Portland Cement Composite
Anthropogenic (Man-made material mimicking sedimentary rock)
Sandstone-based Concrete Fragment
Cementitious Composite with Sedimentary Aggregate
sedimentary (man-made/anthropogenic)
Aura Quartz Geodes (Lab-Altered)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition
mineral
Carborundum
Silicon Carbide (SiC)
mineral
Slag (Industrial Glass/Glassy Rock)
Anthropogenic Vitreous Material
igneous
Ocean Jasper Mushroom
Orbicular Jasper (Silicon Dioxide, SiO2 mixed with various impurities)
mineral
Dyed Imperial Jasper (Sea Sediment Jasper)
Silicon Dioxide (SiO2) - Impure Quartz/Chalcedony
sedimentary
Pink Cubic Zirconia (CZ)
Zirconium Dioxide (ZrO2)
mineral (synthetic)
Asphalt (Bituminous pavement)
Bituminous concrete / Asphalt
Sedimentary (Anthropogenic)
Titanium-Coated Hematite (Aura Hematite)
Titanium-bonded Hematite (Fe2O3 with a Ti coating)
mineral
Cubic Zirconia
Cubic Zirconium Dioxide (ZrO2)
gemstone
Aura Quartz (Titanium-coated Quartz)
Silicon Dioxide (SiO2) with metallic vapor coating
mineral
Sandstone Concretion
Clastic Sedimentary Concretion (SiO2 with Iron Oxide)
sedimentary
Titanium Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
mineral
Crackle Agate / Dyed Quartz
SiO2 (Silicon Dioxide)
mineral
Bismuth Crystal
Bismuth (Bi)
mineral
Aura Rose Quartz
SiO2 (Silicon Dioxide with Titanium/Gold coating)
mineral
Asphalt (Bituminous Concrete)
Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)
not a rock (anthropogenic material/technofossil)
Man-made Jewelry (Metal and Glass/Plastic)
Synthetic Alloy and Amorphous Solid (SiO2/Polymer)
not a rock
Mohave Turquoise (Composite/Stabilized)
Hydrated copper aluminium phosphate (CuAl6(PO4)4(OH)8·4H2O) with stabilizing resin and metallic inclusions
mineral
Concrete
Hydrated Portland Cement Aggregate Composite
Anthropogenic Sedimentary (Man-made)
Conglomerate
Conglomerate (Sedimentary rock containing rounded clasts)
sedimentary
Aura Quartz (Pink/Rose Aura Quartz)
Silicon Dioxide (SiO2) bonded with Platinum and/or Silver
mineral
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
mineral (refined metal)
Asphalt Concrete (Bituminous Concrete)
Bituminous aggregate
sedimentary
Painted River Rock
Artificially Coated Sedimentary Rock
sedimentary
Titanium Aura Quartz (Bismuth-coated Druzy)
Silicon Dioxide (SiO2) with Titanium/Metal vapor coating
mineral
Dyed Agate
Chalcedony (SiO2)
mineral
Conglomerate
Clastic Sedimentary Rock (Conglomerate)
sedimentary
Sandstone (with Liesegang rings or joints)
Clastic Sedimentary Rock (primarily Quartz with Iron Oxide cement)
sedimentary
Sandstone Concretion
Sedimentary Clastic Rock (Silicate-rich)
sedimentary
Sandstone Concretion
Clastic Sedimentary Concretion (typically Quartz/Silica with Iron Oxide)
sedimentary