Mineral (Specifically A Mineraloid)

Agate (specifically Carnelian Agate or Lake Superior style Agate)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Moonstone (specifically White Moonstone or Girasol Quartz)

Potassium aluminum silicate (KAlSi3O8)

Banded Agate (specifically Botswana Agate or Water-line Agate)

Chalcedony (cryptocrystalline variety of Quartz), SiO2

Chalcedony (specifically Agate or Common Opal variety)

Cryptocrystalline Silica (SiO2)

Quartz (specifically Milky Quartz or Quartzite)

Silicon Dioxide (SiO2)

Quartz (Specifically Clear to Smoky Quartz point)

Silicon Dioxide (SiO2)

Blue Quartz (specifically Dumortierite Quartz)

SiO2 (Silicon Dioxide) with inclusions of AlAl6BSi3O18 (Dumortierite)

Banded Agate (specifically Botswana Agate appearance)

Silicon Dioxide (SiO2) - variety of Chalcedony

Agate (specifically Carnelian or Honey Agate)

Silicon Dioxide (SiO2)

Banded Agate (specifically Sardonyx or Black Agate variety)

Silicon Dioxide (SiO2) - Chalcedony / Cryptocrystalline Quartz

Quartz (specifically Rose or Smoky tinted Quartz)

Silicon Dioxide (SiO2)

Banded Agate (specifically Sardonyx or Red Agate)

Silicon Dioxide (SiO2)

Banded Agate (specifically Carnelian Agate)

Cryptocrystalline Quartz (SiO2)

Banded Agate (specifically Black Sardonyx/Onyx variety)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Agate (specifically Botswana or Banded Agate variety)

Chalcedony (Silicon Dioxide, SiO2)

Chalcedony (specifically Blue Chalcedony or Common Opal variety)

Silicon Dioxide (SiO₂)

Gneiss (specifically Biotite Gneiss)

Gneiss (high-grade metamorphic rock primarily composed of Silicates)

Amber

Succinite (specifically for Baltic amber); chemical formula approx. C10H16O

Schist (specifically Mica Schist)

Mica Schist (primarily composed of Muscovite KAl2(AlSi3O10)(OH)2 and Biotite)

Sandstone (specifically Red Sandstone)

Arenite (SiO2 with Iron Oxide)

Amber

Succinite (specifically for Baltic amber); Chemical formula approximately C10H16O

Aquamarine

Beryl (Be₃Al₂Si₆O₁₈), specifically a blue or cyan variety

Quartz (specifically Milky Quartz Pebble)

Silicon Dioxide (SiO2)

Schist (specifically Mica Schist)

Mica Schist

Banded Agate (specifically Botswana Agate appearance)

Silicon Dioxide (SiO2)

Banded Agate (specifically Carnelian Agate slice)

Chalcedony (cryptocrystalline variety of Quartz), SiO2

Quartz (specifically Milky or Clear Chunk)

Silicon Dioxide (SiO2)

Agate (specifically Botswana or Lake Superior style Agate)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Quartz (specifically Citrine or Yellow Quartzite pebble)

Silicon Dioxide (SiO2)

Chalcedony (specifically Common Opal or Agate variant)

Silicon Dioxide (SiO2)

Jasper Agate (specifically Brecciated Jasper with Agate inclusions)

Silicon Dioxide (SiO2)

Fluorite (specifically Rainbow Fluorite or Purple Fluorite)

Calcium Fluoride (CaF2)

Banded Agate (specifically Sardonyx or Carnelian Agate)

Silicon Dioxide (SiO2) - Chalcedony variety

Quartz Crystal (specifically a milky or semi-translucent single crystal point)

Silicon Dioxide (SiO2)

Quartz (specifically Clear Quartz or Rock Crystal)

Silicon Dioxide (SiO2)

Agate (specifically, a slice of a Blue Lace or Chalcedony Agate nodule)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Quartz (specifically Milky/Yellow Quartz)

Silicon Dioxide (SiO2)

Quartz (specifically Citrine or Yellow Quartz)

Silicon Dioxide (SiO2)

Aragonite (specifically Mexican Marbled Onyx)

Aragonite (Calcium Carbonate, CaCO3)

Quartz (specifically Milky or Rose Quartz variant)

Silicon Dioxide (SiO2)

Quartz (specifically Milky or Clear Quartz)

Silicon Dioxide (SiO2)

Agate (specifically Botswana or Lake Superior style chalcedony)

Silicon Dioxide (SiO2)