Man Made Metamorphic Style Composite

Goldstone (Brown)

Aventurine Glass (Silicon Dioxide infused with Copper crystals)

Green Quartz / Chrysoprase / Sea Glass

Silicon Dioxide (SiO2)

Slag Glass

Vitreous Silicate Residue

Conglomerate

Conglomerate (Sedimentary rock containing rounded clasts)

Polished black pebble, likely basalt

Basalt, a fine-grained mafic volcanic rock composed mainly of plagioclase feldspar and pyroxene, commonly with olivine

Goldstone (with Tiger's Eye and Quartz)

Aventurine glass (Synthetic SiO2 with Cu inclusions)

Opalite

Synthetic Glass (Hydrated Silica Simulant)

Titanium Aura Quartz (Bismuth-coated Druzy)

Silicon Dioxide (SiO2) with Titanium/Metal vapor coating

Opalite

Synthetic Opalised Glass

Opalite (a synthetic glass)

Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant

Opalite (likely man-made glass)

Opalite; amorphous silica glass, not a natural mineral

Pet Rock (Man-made Quartzite or Granite Cobble)

Silicon dioxide (SiO2) mixture; commonly composed of Quartz, Feldspar, and Mica

Concretion

Sedimentary Concretion (Ironstone / Calcite Concretion)

Conglomerate

Clastic Sedimentary Rock (Conglomerate)

Sandstone (with Liesegang rings or joints)

Clastic Sedimentary Rock (primarily Quartz with Iron Oxide cement)

Sandstone Concretion

Sedimentary Clastic Rock (Silicate-rich)

Sandstone Concretion

Clastic Sedimentary Concretion (typically Quartz/Silica with Iron Oxide)

Chert Arrowhead (Lithic Tool)

Microcrystalline quartz (SiO2) - Archeological lithic artifact

Ruby in Zoisite

Anyolite (composite of Corundum and Zoisite)

Libyan Desert Glass

Libyan Desert Glass (SiO2 with trace elements)

Weathered iron-rich concretion or ironstone nodule

Goethite–hematite limonite concretion (FeO(OH), Fe₂O₃, and hydrated iron oxides)

Tiger Iron

Mixed Quartz, Hematite, and Tiger's Eye

Ceramic or Polished Stone Heart (Anthropogenic Material)

Glazed Ceramic (Silicon Dioxide based coating on Alumina Silicate body) or Polished Limestone/Marble (Calcium Carbonate, CaCO3)

Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Opalite

Synthetic Opalized Glass (SiO2 + additives)

Sea Glass (specifically Frosted White)

Amorphous Silica (substance: Sodium-calcium silicate glass)

Blue glassy gemstone cabochon, likely dyed chalcedony or glass

Uncertain; possible dyed chalcedony (microcrystalline quartz, SiO₂)

Opalite (likely man-made opalescent glass)

Opalite; not a true mineral, typically synthetic opalescent glass (silica-based)

Brick fragment (Man-made material)

N/A (Fired clay)

Opalite (Man-made Glass)

Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)

Vesicular basalt (probable iron-rich volcanic rock)

Basalt; chiefly plagioclase, clinopyroxene, olivine, and Fe-Ti oxides

White quartz pebble

Quartz (SiO₂), likely milky quartz

Aura Quartz (Pink/Rose Aura Quartz)

Silicon Dioxide (SiO2) bonded with Platinum and/or Silver

Tiger Iron

Banded Iron Formation with Tiger's Eye, Jasper, and Hematite

Stone Mosaic Mask

Composite silicate and carbonate minerals

Tumbled milky quartz (likely)

Quartz, silicon dioxide (SiO₂)

Diamond

Carbon (C)

Polished black stone, likely black obsidian

Volcanic glass; predominantly rhyolitic silica glass (SiO₂-rich)

Aqua Aura Quartz

Titanium/Gold-coated Silicon Dioxide (SiO2)

Carborundum (Silicon Carbide)

Silicon carbide (SiC)

Dyed Agate / Painted Stone

Silicon Dioxide (SiO2) with artificial pigment

Opalite

Synthetic Fluorescent Glass (SiO2 + impurities)