Mineral (Specifically A Variety Of Quartz)

Quartz (Milky/Clear Quartz)

Silicon Dioxide (SiO2)

Turquoise

Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]

Milky Quartz

Silicon Dioxide (SiO2)

Mineral (variety of Chalcedony/Quartz)

Larvikite

Monzonite (intermediate intrusive igneous rock containing plagioclase, alkali feldspar, augite, and biotite)

igneous

Banded Agate (specifically Botryoidal/Orbicular Agate)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Chert (Black Chert/Flint)

Chert (Silicon Dioxide, SiO2)

Chalcedony

Chalcedony (SiO₂)

Chert / Jasper

Microcrystalline Quartz (SiO2)

Chert (Nodule)

Microcrystalline Quartz (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Sedimentary-like (Industrial Composite)

Quartz (Engineered Stone Countertop)

Silicon Dioxide (SiO2) with polymer resins

Blue Chalcedony

Silicon Dioxide (SiO2)

Citrine

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Quartz (Clear Quartz/Rock Crystal)

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Aventurine

Quartz (Aventurine variety)

Gneiss (specifically a weathered or stream-worn specimen)

Gneiss (Foliated Metamorphic Rock)

metamorphic

Pink Granite

Granite (Felsic Plutonic Rock)

igneous

Quartz (Citrine or Smoky variant)

Silicon Dioxide (SiO2)

Gray Chert (River Pebble)

Microcrystalline Quartz (SiO2)

Rose Quartz

SiO2 (Silicon Dioxide)

Pink Quartzite

Quartzite (mainly SiO2 with iron oxide impurities)

metamorphic

Milky Quartz

Silicon Dioxide (SiO2)

Agate (specifically Oco or Banded Agate)

Agate (a variety of Chalcedony), SiO2 (Silicon Dioxide)

Quartz (specifically Clear Quartz or Rock Crystal)

Silicon Dioxide (SiO2)

Chert (specifically Red Chert or Jasper)

Microcrystalline Quartz (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Jasper

Jasper (a variety of Chalcedony, SiO2)

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Milky or Cloudy Quartz)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)