Man Made Glass (Often Grouped With Minerals In Lapidary)

Strawberry Quartz (Lepidocrosite/Hematite-Included Quartz)

Quartz (Silicon Dioxide) with Lepidocrosite or Hematite inclusions (SiO2 + Fe2O3 · nH2O)

Jasper (var. Ocean or Polychrome Jasper)

Silicon Dioxide (SiO2) with iron and mineral inclusions

Chert (and Limestone)

Chert (consisting of Microcrystalline Quartz, SiO2)

Green Quartz (Aventurine)

Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)

Red Sandstone

Arenite (primarily Quartz with Iron Oxide)

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Amygdaloidal Basalt

Amygdaloidal Basalt (extrusive volcanic rock with mineral inclusions)

Yellow Jasper

Silicon Dioxide (SiO2) - variety of Chalcedony

Chert (Golden/Yellow Variety)

Microcrystalline Silica (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Rose Quartz (likely carved)

Rose Quartz (SiO2)

Epidote

Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Botryoidal Black Chalcedony Geode (Black Grape Agate)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Quartz (Drusy/Crystalline variety)

Silicon Dioxide (SiO2)

Green Aventurine

Silicon Dioxide (Quartz) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)

Blue Quartz

Quartz (SiO2) with inclusions

Green Fluorite

Calcium Fluoride (CaF2)

Riverstone Jasper (Chert variant)

Silicon Dioxide (SiO2)

Quartz (Water-worn pebble)

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Sandstone (Quartzite-rich)

Clastic Sedimentary Rock (primarily SiO2)

Chert (Iron-stained)

Microcrystalline silica (SiO2) with trace Iron oxide (Fe2O3)

Chert with Jasper/Quartz Inclusions

Silicon Dioxide (SiO2)

Chert (Flint variety)

Microcrystalline Quartz (SiO2)

Rose Quartz

Crystalline Silicon Dioxide with trace Titanium, Iron, or Manganese (SiO2)

Yellow Quartz (Citrine or Quartz Crystal with Iron Inclusions)

Silicon Dioxide (SiO2)

Jasper (specifically Fancy or Polychrome Jasper)

Silicon Dioxide (SiO2) - Chalcedony

Smoky Quartz

Silicon Dioxide (SiO2)

Jasper

Silicon dioxide (SiO2)

Sandstone (Ferruginous)

Arenite (primarily SiO2 with Fe2O3 staining)

Sandstone (with Iron Staining)

Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)

Rose Quartz

SiO2 (Silicon Dioxide)

Chert (Yellow Jasper/Flint)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Ferruginous Quartz (Iron-stained Quartz)

Silicon Dioxide (SiO2) with Hematite/Limonite impurities

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Iron-stained Milky Quartz

Silicon Dioxide (SiO2) with iron oxide inclusions

Quartz Pebble

Silicon Dioxide (SiO2)