Man Made Glass (Often Grouped With Minerals In Lapidary)

Chert (Jasper)

Sedimentary Cryptocrystalline Quartz (SiO2)

Jasper

Silicon dioxide (SiO2)

Rainbow Hematite (Man-made/Treated)

Tumbled Hematite with Titanium/Anodized coating (Iron(III) oxide, Fe2O3)

Chert (often called Flint)

Chert (SiO2)

Sodalite

Chloric sodium aluminum silicate (Na8(Al6Si6O24)Cl2)

Chert (Flint)

Silicon Dioxide (SiO2)

Jasper containing epidote (Unakite-like)

Epidotized Jasper (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))

Ferruginous Chert

Microcrystalline Quartz (SiO2) with Iron Oxides

Chert (Quartz Variety)

Chert (Silicon Dioxide, SiO2)

Orange Calcite

Calcium Carbonate (CaCO3)

Chert (Flint Nodules)

Cryptocrystalline Quartz (SiO2)

Chert (or Flint)

Chert (a cryptocrystalline variety of quartz, SiO2)

Blue Goldstone

Aventurine Glass

Chert (often called Flint)

Chert (Cryptocrystalline Quartz, SiO2)

Chert (often called Flint in archaeological contexts)

Silicon Dioxide (SiO2)

Chert (Jasper)

Microcrystalline Quartz (SiO2) with iron oxide inclusions

Chert (Flint)

Silicon Dioxide (SiO2)

Quartz or possibly Jasper/Chert. Looks like a tumbled or water-worn stone.

SiO2 (Silicon Dioxide)

Blue Quartzite

Quartzite (primarily SiO2) with inclusions like Dumortierite or Magnesio-riebeckite

Sodalite

Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)

Milky Quartz

Silicon Dioxide (SiO2)

Chert (Flint)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Agate

Agate (Chalcedony), SiO2

Chert (and/or Flint)

Silicon Dioxide (SiO2)

Sunstone and Green Aventurine

Sunstone: (Ca,Na)[(Al,Si)2Si2O8] (Plagioclase Feldspar Group); Green Aventurine: SiO2 (Quartz)

Lepidolite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Rose Quartz

Quartz (SiO2) with trace amounts of Titanium, Iron, or Manganese

Yellow Chert (Gold-colored River Pebble)

Microcrystalline Quartz (SiO2) with Limonite/Goethite staining

Chert (Yellow Jasper variant)

Microcrystalline Quartz (SiO2)

Artisanal Glass Beads (Simulated Goldstone or Aventurine Glass)

Silicon Dioxide (SiO2) with metallic inclusions

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals like Antigorite, Lizardite, and Chrysotile)

Pink Granite

Phaneritic Felsic Igneous Rock (Granite)

Jade (likely Nephrite Jade based on appearance)

Nephrite (a variety of actinolite, Ca2(Mg,Fe)5Si8O22(OH)2)

Quartz / Quartzite

Quartz (Silicon Dioxide, SiO2)

Chert (Jasper/Agate variety)

Cryptocrystalline Quartz (SiO2)

Pink Feldspar

Orthoclase Feldspar (KAlSi3O8)

Mahogany Obsidian

Obsidian (Volcanic Glass) with Hematite/Magnetite inclusions

Quartz with Mica inclusions (Gold-colored Mica)

Silicon Dioxide (SiO2) with Potassium Aluminum Silicate (Phlogopite/Muscovite) inclusions

Green Quartzite

Quartzite (SiO2)

Green Jasper (Banded Jasper)

Silicon Dioxide (SiO2) with impurities

Golden Healer Quartz

Ferruginous Quartz (SiO2 with Fe2O3 inclusions)

Yellow Jasper

Silicon Dioxide (SiO2) with Goethite/Limonite inclusions