Note: Item is a Synthetic/Man-made Object
Titanium-coated Stainless Steel (Fe-Cr-Ni-Ti)
Non-geological
Category
Industrial By Product
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Hematite or Goethite-rich Ironstone
Ironstone (Oxidized Iron Ore)
sedimentary
Rough Diamond
Diamond (pure Carbon, C)
mineral
Agate
Chalcedony (SiO2)
gemstone
Wavellite with Quartz
Al3(PO4)2(OH,F)3 & SiO2
mineral
Diamond and Sapphire
Carbon (Diamond, C) and Aluminum Oxide (Sapphire, Al2O3)
gemstone
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) vein cutting through host rock
mineral
Ruby
Corundum (Al2O3 with Chromium trace)
gemstone
Diamond (or Cubic Zirconia)
Carbon (C) / Cubic Zirconium Dioxide (ZrO2)
mineral
Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Cubic Zirconia
Zirconium Dioxide (ZrO2)
mineral
Aura Quartz (Coated Quartz)
Silicon Dioxide (SiO2) treated with metallic vapor
mineral
Gravel or Crushed Stone
Fragmented Aggregate Stone
sedimentary or igneous fragment
Sulfur on Aragonite
Sulfur (S) and Aragonite (CaCO3)
Mineral
Faceted Diamond or Cubic Zirconia
Carbon (C) for Diamond; Zirconium dioxide (ZrO2) for CZ
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Slag
Metallurgical Slag
igneous
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial byproduct)
mineraloid
Serpentine / Antigorite
Mg3Si2O5(OH)4 (Serpentine Group)
metamorphic
Glass Nugget (Tumbled Glass)
Amorphous Silicon Dioxide (SiO2) with additives
mineraloid (man-made)
Sand Grain (Silica/Quartz Grain)
Silicon Dioxide (SiO2)
sedimentary
Opalite
Man-made synthetic glass with opalescent effects (SiO2 + metal oxides)
mineraloid
Dyed Agate
Cryptocrystalline variety of Silica (SiO2)
gemstone
Quartz Pebble
Silicon dioxide (SiO2)
sedimentary
Quartz Pebble
Silicon dioxide (SiO2)
sedimentary
Agate
Silicon dioxide (Chalcedony), SiO2
sedimentary
Native Copper
Copper (Cu)
mineral
Banded Serpentinite with Calcite Veins
Serpentinite (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
metamorphic
Clear Quartz / Diamond (untested)
Silicon Dioxide (SiO2) or Carbon (C)
mineral
Diamond
Carbon (C)
gemstone
Diamond (or Cubic Zirconia)
Cubic Carbon (C) or Zirconium Dioxide (ZrO2)
gemstone
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Diamond (or Cubic Zirconia)
Carbon (C) or Zirconium Dioxide (ZrO2)
gemstone
Quartz Vein with Host Rock (Greywacke/Siltstone)
Silicon Dioxide (SiO2) within Clastic Sedimentary/Metamorphic Matrix
metamorphic
Basalt (River Stone)
Basalt
igneous
Silver (Native Silver Mineral)
Ag (Native Silver), Alloyed 90% Ag / 10% Cu
mineral
Diamond (or Cubic Zirconia simulant)
Carbon (C) or Zirconium Dioxide (ZrO2)
mineral
Orange calcite
Calcite (CaCO₃), likely honey/orange calcite
mineral
Anthracite Coal
Anthracite (Carbon-rich metamorphic rock)
metamorphic
Rough Diamond
Diamond (Native Carbon, C)
mineral
Limonite (Ironstone Concretion)
Limonite (Hydrous ferric oxide mixture, FeO(OH)·nH2O)
sedimentary
Iron Slag
Anthropogenic pyrometallurgical residue
industrial byproduct