Metamorphic, Likely Sedimentary With Quartz Veins

Quartz (Clear Quartz/Rock Crystal)

Silicon Dioxide (SiO2)

Quartz (Milky or Iron-stained)

Quartz (Silicon Dioxide, SiO2)

Orange Quartzite / River Pebble

Quartzite (primarily SiO2)

Quartzite (River Stone)

Quartzite (composed primarily of Silicon Dioxide, SiO2)

Quartzite (Iron-stained)

Quartzite (mostly SiO2 with Fe2O3 impurities)

Quartzite (Beach Pebble)

Quartzite (Composition: SiO2)

Quartz (Flesh-colored or Rose Quartz variety)

Silicon Dioxide (SiO2)

Tourmaline (likely Schorl)

Tourmaline Group Mineral (e.g., Schorl for black varieties); (Na,Ca)(Li,Mg,Fe,Mn,Al)3Al6(BO3)3Si6O18(OH)4

Quartz Mica Schist

Mica-Quartz Schist (Chemical: SiO2 + KAl2(AlSi3O10)(OH)2)

Mixed Tumbled Stones Collection

Mixed Silicates and Carbonates (Quartz, Amorphous Silica, Carbonates)

Yellow Quartzite Pebble

Quartzite (SiO2)

Quartz with Mica (likely Muscovite)

Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide Fluoride

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) in matrix

Clear Quartz

Silicon Dioxide (SiO2)

Drill Core Samples (Varied Lithology)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Yellow Calcite

Calcite (Calcium Carbonate, CaCO3)

Quartzite

Quartzite (composed mainly of SiO2)

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Smoky Quartz (Ferruginous Quartz)

Quartz (Silicon Dioxide, SiO2)

Yellow Quartz (Citrine type/Tumbled Quartz)

Silicon Dioxide (SiO2)

Rose Quartz

Quartz (Silicon Dioxide, SiO2)

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Milky Quartz with Limonite

Silicon Dioxide (SiO2)

Cinnabar in Quartz

Silicon Dioxide (SiO2) with Mercury Sulfide (HgS) inclusions

Quartz (Milky/Smoky variety)

Silicon Dioxide (SiO2)

Orange Quartzite / Quartz River Siltstone

Quartzite (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Aventurine (likely Green Aventurine)

Silicon Dioxide (SiO2) with mineral inclusions

Garnet-Mica Schist

Garnetiferous Porphyroblastic Schist

Milky Quartz

Quartz / Silicon Dioxide (SiO2)

Quartz

Quartz (SiO2 - Silicon Dioxide)

Citrine (likely Heat-Treated Amethyst)

Silicon Dioxide (SiO2)

Clear Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Quartz (Iron-Stained)

Silicon Dioxide (SiO2)

Quartzite

SiO2 (Crystalline Quartz)