Mineral Like Industrial Smelting Waste

Pegmatite with Quartz and Muscovite Mica

Granitic Pegmatite (KAl2(AlSi3O10)(OH)2 + SiO2)

River Stone (likely Basalt or Greywacke)

Basalt with mineral veining

Chert (specifically Red Chert or Jasper)

Microcrystalline Quartz (SiO2)

Rose Quartz

Rose Quartz (SiO₂)

Quartzite

Quartzite (SiO2)

Quartz with Mica inclusions (likely Schist or Gneiss host)

Silicon Dioxide (SiO2) with Phyllosilicates (KAl2(AlSi3O10)(OH)2)

Chert (specifically Jasper/Flint)

Microcrystalline Quartz (SiO2)

Quartzite

Quartzite (SiO2)

Sandstone with Iron Concretion

Arenite with Limonite/Goethite Concretion

Quartz (variety of colors)

SiO2 (Silicon Dioxide)

Quartz Pebble

Silicon Dioxide (SiO2)

Rhodolite Garnet

Mg3Al2(SiO4)3 - Fe3Al2(SiO4)3 (Pyrope-Almandine series)

White Quartzite

Quartzite (primarily SiO2 - Silicon Dioxide)

Quartzite

Quartzite (SiO2)

Chert (specifically Flint or Novaculite variant)

Chert (Microcrystalline Quartz, SiO2)

Chert (Red Jasper)

Microcrystalline Quartz (SiO2)

Smoky Quartz

Smoky Quartz (SiO2)

Basalt (Vesicular/Scoria)

Vesicular Basalt

Chert (or Agate/Quartzite)

Microcrystalline Quartz (SiO2)

Quartzite

Quartzite (primarily SiO2)

Chert (Chert Nodule)

Microcrystalline quartz (SiO2)

Chert (often called Flint when dark)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (Arrowhead Debitage or Spall)

Silicon Dioxide (SiO₂)

Concrete / Conglomerate (Man-made)

Artificial Conglomerate (Cementitious Composite)

Quartz Pebble (Milky and Gray)

Quartz (Silicon Dioxide, SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Ruby and Diamond in Gold Setting

Corundum (Al2O3) and Diamond (C)

Leopard Skin Jasper

Chalcedony (cryptocrystalline Quartz)

Iolite (Cordierite)

Cordierite (Magnesium iron aluminum cyclosilicate), Mg2Al4Si5O18

Vesicular Basalt with Oxidized Crust

Vesicular Basalt (Iron-rich extrusive volcanic rock)

Anthracite Coal

Anthracite (Carbon C)

Quartz Pebble

Silicon Dioxide (SiO2)

Diamond (or Cubic Zirconia)

C (Carbon) or ZrO2 (Zirconium Dioxide)

Silver (Jewelry Specimen)

Native Silver (Chemical Formula: Ag)

Anthracite

Anthracite Coal

Diamond

C (Native Carbon)

Quartz Pebble

Silicon Dioxide (SiO2)

Glauconite Sandstone

Glauconitic Sandstone (K(Fe,Al)2(Si,Al)4O10(OH)2)

Ferruginous Quartz (Iron-stained Quartz)

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions

Chert / Jasper

Silicon Dioxide (SiO2)

Anthracite Coal

Coal (predominantly carbon)

Marble

Recrystallized Calcite / Metamorphosed Limestone (CaCO3)