Mineral (Synthetic Glass)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Potassium Feldspar (Orthoclase)

KAlSi3O8 (Potassium Aluminum Silicate)

Quartz-rich metamorphic rock, likely milky quartz or quartzite

Quartz (SiO₂); possibly quartzite composed predominantly of recrystallized quartz

Quartz Pebble (with Iron Inclusions)

Silicon Dioxide (SiO2)

Sea Glass (Teal/Turquoise)

Amorphous Silica (SiO2) with trace metal oxides

Quartz (Clear Quartz / Rock Crystal)

Silicon Dioxide (SiO2)

Granitic Pegmatite

Pegmatite (composed primarily of Quartz, Feldspar, and Muscovite mica)

Milky Quartz

Silicon Dioxide (SiO2)

Rainbow Fluorite

Fluorite (Calcium Fluoride, CaF2)

Orthoclase (Potassium Feldspar)

KAlSi3O8 (Potassium Aluminum Silicate)

Sandstone (with Limonite staining)

Arenite (primarily SiO2 with FeO(OH)·nH2O)

Feldspar

Triclinic or Monoclinic Tectosilicate (e.g., KAlSi3O8)

Smoky Quartz

Silicon Dioxide (SiO2)

Muscovite Mica

KAl2(AlSi3O10)(F,OH)2

Milky Quartz

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Fluorite and Mineral Collection

Calcium Fluoride (CaF2)

Iron-stained Quartz

Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3/FeO(OH))

Quartz (Clear Quartz)

Silicon Dioxide (SiO2)

Blue Agate (Dyed or Treated Chalcedony)

Silicon Dioxide (SiO2), microcrystalline quartz variety

Chert (Agate / Jasper pebble)

Microcrystalline Quartz (SiO2)

Diamond (or Lab-Grown Cubic Zirconia)

Carbon (C)

Milky Quartz with inclusions

Quartz (Silicon Dioxide, SiO2)

Quartzite

Quartzite (primarily SiO2)

Tumbled quartz-rich stone, likely milky quartz

Quartz (SiO₂), possibly iron-stained milky quartz or quartzite

Red aventurine

Silicon Dioxide (SiO2) with Hematite or Goethite inclusions

Quartz Pebble

Silicon Dioxide (SiO2)

Milky quartz-bearing rock, possibly quartzite

Quartz (SiO₂), likely in a quartzite or quartz-rich metamorphic matrix

Sandstone

Arenite (Clastic Sedimentary Rock)

Chert (Flint)

Microcrystalline Quartz (SiO2)

Muscovite Mica

Muscovite (Potassium Aluminum Silicate) - KAl2(AlSi3O10)(F,OH)2

Obsidian

Obsidian (Volcanic Glass, SiO2)

Rose Quartz Beads

Silicon Dioxide (SiO2) - Quartz Variety

Muscovite Mica (with Quartz matrix)

Muscovite - KAl2(AlSi3O10)(OH)2

Tumbled quartz crystal (likely smoky or iron-stained quartz)

Quartz, silicon dioxide (SiO₂)

Carnelian/chalcedony rough

Microcrystalline quartz (SiO₂), iron-oxide-colored chalcedony

Clear Quartz Sphere

Crystalline Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Rose Quartz

Silicon dioxide (SiO2) with trace impurities of titanium, iron, or manganese

Smoky Quartz

Silicon Dioxide (SiO2)

Quartz (Grain/Fragment)

Silicon Dioxide (SiO2)

Quartz (Milky/Gravel variety)

Silicon Dioxide (SiO2)