Mineral Or Sedimentary Rock (With Mineral Inclusions)

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

Mica Schist

Crystalline Schist (often containing Muscovite, Biotite, and Quartz)

Milky Quartz

Silicon Dioxide (SiO2)

Sandstone (Ferruginous)

Arenite with Iron-oxide inclusions (SiO2 primarily)

Herkimer Diamond (Quartz)

Silicon Dioxide (SiO2)

Sandstone (Red Sandstone)

Arenite (SiO2 based with Fe2O3 staining)

Red Jasper

Silicon Dioxide (SiO2 with Hematite impurities)

Sandstone (likely Graywacke or Lithic Arenite)

Clastic sedimentary rock predominantly composed of silicate grains

Gneiss (specifically Micaceous Gneiss)

Gneiss (High-grade Regional Metamorphic Rock)

Quartz with inclusions

Silicon Dioxide (SiO2)

Quartz in Greenstone

Metamorphic rock with quartz vein (SiO2 / mixed silicates)

Jasper (Polychrome Jasper)

Silicon Dioxide (SiO2) with various inclusions

Lapis Lazuli

(Na,Ca)8(AlSiO4)6(SO4,S,Cl)2 (Complex silicate rock)

Agate (Chalcedony)

Silicon Dioxide (SiO2)

Hag Stone

Perforated Sedimentary Rock / Flint / Limestone

Sandstone (likely Quartzose Sandstone pebble)

Arenite (primarily SiO2)

Conglomerate

Conglomerate (Clastic sedimentary rock)

Dalmatian Jasper

Peralkaline rhyolite

Chert (Common Opal/Agatized Rock)

Microcrystalline Quartz (SiO2) with potential Chalcedony/Opaline silica

Dendritic Chert

Silicon Dioxide with Manganese Oxide Inclusions (SiO2 + MnO2)

Milky Quartz

Silicon Dioxide (SiO2)

Carnelian (Agate)

SiO2 (Silicon Dioxide with Iron Oxide inclusions)

Tumbled ocean jasper or orbicular jasper

Microcrystalline quartz (SiO₂), commonly with chalcedony, feldspar, and iron-oxide inclusions

Blue Chalcedony

Chalcedony (Silicon Dioxide, SiO2)

Sandstone

Arenite (primarily SiO2)

Quartz (Milky or White Quartz)

Silicon Dioxide (SiO2)

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic volcanic rock)

Agate (specifically Chalcedony nodule)

Silicon Dioxide (SiO2)

Sandstone

Arenite (primarily Quartz Arenite)

Dendritic Agate (specifically Orange/Tumbled)

Silicon Dioxide (SiO2) with Oxide Inclusions

Banded Gneiss

Gneiss (Metamorphic Rock)

Granite

Intrusive Felsic Igneous Rock

Clear Quartz

Silicon Dioxide (SiO2)

Yellow Jasper

SiO2 (Microcrystalline Quartz)

Sandstone (Quartzose)

Arenite (Formula: SiO2 primary, with various cements)

Dragon Blood Jasper

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

Yellow Jasper

Silicon Dioxide (SiO2) with Goethite/Limonite inclusions

Sandstone (Quartzose Sandstone)

Arenite (SiO2 primarily)

Quartz (Druzy Quartz)

Silicon Dioxide (SiO2)

Blue Quartz

Silicon Dioxide (SiO2)

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Banded Agate

Cryptocrystalline Quartz (SiO2) with iron oxide inclusions