Mineral (Processed Alloy)

Serpentinite

Serpentinite (composed primarily of mineral group (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)

Ferro-silicate Slag

Industrial Vitrified Slag (High-silica amorphous glass)

Jasper with Pyrite (Gold-colored inclusions)

Silicon Dioxide (SiO2) with Iron Disulfide (FeS2) inclusions

Schist

Schist (various mineral compositions)

Granodiorite

Granodiorite (Quartz-Feldspar-Biotite Plutonic Rock)

Black Tourmaline

Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)

Amber

Fossilized tree resin (not a true mineral as it is organic and amorphous); Chemical formula is highly variable, but often approximated as C10H16O.

Diamond

Diamond (C)

Diamond

Carbon (C)

Shale or Slate with Quartz Veins

Shale (fine-grained clastic sedimentary rock) or Slate (low-grade metamorphic rock formed from shale) with Quartz (SiO2) veins

Quartz (in matrix)

Quartz (SiO₂)

Quartz

Silicon Dioxide (SiO₂)

Jasper

Silicon Dioxide (SiO2)

Goldstone and Aura Quartz

Cuprous Glass (Goldstone) and Titanium-coated SiO2 (Aura Quartz)

Emerald

Beryl (variety Emerald), Be3Al2Si6O18 with Cr and/or V

Quartz Geode (likely within Limestone or Dolomite matrix)

Quartz (SiO₂)

Banded Iron Formation

Banded Iron Formation (BIF)

Polished white agate or chalcedony bead

Microcrystalline quartz (SiO₂), likely chalcedony/agate with iron-oxide staining or a brown mineral inclusion

Ruby Fuchsite / Ruby in Fuchsite

Ruby (Al2O3 variety corundum) and Fuchsite (K(Al,Cr)2AlSi3O10(OH)2 - a chromium-rich variety of muscovite mica) in Quartz matrix

Orbicular Jasper

Silicon Dioxide (SiO2), variety of Chalcedony

Halite

Halite (Sodium Chloride - NaCl)

Iron Slag

Vitreous glassy waste (Fe-Si-Al-Ca compounds)

Diamond (Rough)

Diamond (Carbon, C)

Tiger's Eye

Silicon dioxide (SiO2) with fibrous inclusions of crocidolite

Chalcedony Geode

Chalcedony (SiO2) within a geode structure

Marble

Marble (metamorphosed limestone or dolostone), primarily composed of calcite (CaCO3) or dolomite (CaMg(CO3)2)

Petrified Wood

Silicified wood (primarily Silicon Dioxide - SiO2)

Efflorescence (on Clay Brick)

Crystalline salt deposits (typically Sodium Sulfate Na2SO4, Calcium Carbonate CaCO3, or Potassium Sulfate K2SO4)

Serpentine

Serpentinite (rock), Serpentine group minerals (e.g., Antigorite, Lizardite, Chrysotile)

Quartz (likely a macrocrystalline variety like milky quartz or smoky quartz, given the appearance in the image)

Quartz (SiO₂ - Silicon Dioxide)

Agate (specifically, likely a geode slice or nodule)

Agate (a variety of Chalcedony, with chemical formula SiO2)

Carnelian

Chalcedony (cryptocrystalline quartz), SiO2 (Silicon Dioxide)

Slag (Industrial By-product)

Glassy silicate or metallic smelting residue

Pale granite pebble (tentative identification)

Granite; a coarse-grained felsic intrusive igneous rock composed primarily of quartz and feldspar, with minor mica or amphibole

Shell Cameo (Sardonyx Shell)

Cassis madagascariensis (Sardonyx shell)

Carnelian

Carnelian (a variety of Chalcedony, SiO2)

Quartz

Quartz (SiO2 - Silicon Dioxide)

Asphalt

Asphalt concrete (engineered material, not a naturally occurring rock/mineral in this form)

Fluorite (likely)

Calcium Fluoride (CaF2)

River Cobble (likely Sandstone or Siltstone type)

Sandstone or Siltstone (common rock types that form river cobbles)

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Pyrite

Pyrite (Iron sulfide, FeS₂)