Mineral Or Sedimentary Rock (With Mineral Inclusions)

Sandstone (Quartzose)

Sandstone (clastic sedimentary rock, primarily SiO2)

Quartz Geode Fragment

Silicon Dioxide (SiO2)

Smoky Quartz on Matrix

Silicon Dioxide (SiO2) with trace impurities and aluminum inclusions

Green Aventurine

Aventurine Quartz (SiO2 with fuchsite inclusions)

Clear Quartz / Rock Crystal

Silicon Dioxide (SiO2)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)

Green Aventurine and Clear Quartz

Aventurine (variety of Quartz - SiO2) and Quartz (SiO2)

Milky Quartz

Silicon dioxide (SiO2)

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Gneiss

Gneiss (High-grade regional metamorphic rock)

Sandstone (likely Graywacke or Arkosic varieties)

Arenite (composed primarily of SiO2)

Sandstone

Arenite (primarily SiO2)

Amber

Succinite (Organic Mineraloid) - C10H16O

Sandstone (River Cobble)

Clastic Sedimentary Rock (primarily Quartz with Feldspar)

Sandstone (specifically Picture Sandstone or Wonderstone)

Arenite (composed primarily of SiO2)

Sandstone (with potential iron-oxide weathering)

Arenite (SiO2 based)

Sandstone (with minor quartz and possible clay components)

Clastic Sedimentary Rock (SiO2 dominated)

Sedimentary rock with quartz veining

Laminated siltstone or mudstone with hydrothermal quartz veins

Sandstone (Ferruginous)

Clastic Sedimentary Rock (Litharenite)

Drill Core Samples (Varied Lithology)

Multi-lithological core samples (containing potential granite, marble, and phyllite/schist sequence)

Sandstone

Arenite (Clastic Sedimentary Rock)

Quartz Geode (Citrine or Iron-stained Quartz)

Silicon Dioxide (SiO2)

Green Calcite

Calcite (Calcium Carbonate, CaCO3)

Chert (specifically Jasper/Flint pebble)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Sandstone

Arenite (composed primarily of SiO2)

Rose Quartz

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Jasper

Chert (Silica: SiO2)

Dalmatian Jasper

Dalmatian Stone (a microcrystalline quartz and feldspar rock with arfvedsonite)

Blue Goldstone

Goldstone (artificial glass)

Quartz Druze (Crystalline Quartz)

Silicon Dioxide (SiO2)

Clear/White Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz (specifically Clear and Rose Quartz)

Silicon Dioxide (SiO2)

Amber

Succinite (a fossilized organic resin)

Red Jasper

Silicon Dioxide (SiO2) with Hematite impurities

Gneiss

Gneiss (High-grade metamorphic rock)

Clear Quartz Crystal

Quartz (Silicon Dioxide, SiO2)

Sandstone (Quartzose)

Arenite (primarily SiO2)

Quartz Geode

Silicon Dioxide (SiO2)

Shale or Siltstone

Sedimentary Clastic Rock (Variable mineral composition including quartz and clay minerals)

Lapis Lazuli

Sodalite-rich metamorphic rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2