Mineral (Variety Of Quartz)

Cherry Creek Jasper (also known as Red Creek Jasper or Cherry Creek Agate)

Jasper, microcrystalline quartz (SiO₂)

Granite

Phaneritic high-silica plutonic rock (composed primarily of Quartz, Feldspar, and Mica)

Jasper, possibly Brecciated Jasper or Ocean Jasper due to patterns and color

Silicon Dioxide (SiO2), a variety of Chalcedony

Carnelian

Chalcedony (cryptocrystalline quartz), SiO2

Jasper

Silicon Dioxide (SiO2) with iron and magnesium inclusions

Druzy Quartz

Silicon Dioxide (SiO2)

Conglomerate

Conglomerate (Sedimentary Clastic Rock)

Leopard Skin Jasper

Jasper (Silicon Dioxide with impurities), SiO2

Yellow Jasper

Chalcedony (SiO2) with Goethite/Iron oxide inclusions

Chert (vuggy variety)

Microcrystalline silica (SiO2)

Satin Spar (often marketed as Selenite)

Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O

Chalcedony

Silicon dioxide (SiO2) - Cryptocrystalline Quartz

Yellow Jasper

Jasper (Silicon Dioxide, SiO2)

Chert (Flint)

Microcrystalline Quartz (SiO2)

Jasper

Chalcedony (cryptocrystalline quartz), SiO2

Sandstone (Red/Brown Variety)

Arenite (SiO2 with iron oxide impurities)

Rough Quartz (likely Rose or Amethyst variety)

Silicon Dioxide (SiO2)

Iron-Stained Quartzite

Recrystallized Meta-Quartzite (primarily SiO2)

Quartz (Chert/Chalcedony variety)

Silicon Dioxide (SiO2)

Chert (and/or Flint)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Agate (Bead Form)

Agate (Cryptocrystalline Quartz, SiO2)

Conglomerate

Conglomerate (Clastic sedimentary rock)

Orange Aventurine (Sunstone-style Quartzite)

Silicon Dioxide (SiO2) with Goethite or Hematite inclusions

Red Sandstone

Sandstone (principally Quartz with Iron Oxide coating)

Chert (with Lichen)

Microcrystalline Quartz (SiO2)

Granite Pebble (Salt and Pepper Granite)

Felsic Intrusive Igneous Rock (Granite)

Rose Quartz

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

Green Aventurine

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

Chert Pebble

Microcrystalline Quartz (SiO2)

Chert (Chert Nodule)

Microcrystalline quartz (SiO2)

Quartzite

Quartzite (Primary mineral: Silicon Dioxide, SiO2)

Quartzite with inclusions

Metamorphosed Quartz-rich Rock (SiO2)

Jasper

Silicon Dioxide (SiO2)

Carnelian (a variety of Chalcedony)

Cryptocrystalline Quartz (SiO2) with iron oxide inclusions

Chert (Smooth River Pebble)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Agate (Dyed High-Grade Polished Slice)

Silicon dioxide (SiO2), Chalcedony crystal variety

Chert (Yellow Jasper/Flint)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Chert (Agatized Chert)

Microcrystalline Quartz (SiO2)

Geode (Quartz chalcedony variety)

SiO2 (Silicon Dioxide)

Jasper River Stone

Silicon Dioxide with Iron Oxide impurities (SiO2 + Fe2O3)

Pink Granite

Granite (Alkali-feldspar granite)

Amethyst

Quartz (SiO2) with trace iron impurities