Metamorphic Rock (For Nephrite And Some Jadeite); Mineral (For Jadeite)

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Petrified Wood

Silicified Wood (SiO2)

Gold Ore in Matrix

Native Gold (Au) in Quartz/Host Rock

Quartzite / Sandstone / Chert Mix

Silicon Dioxide (SiO2)

Quartzite

Quartzite (Primary mineral: Silicon Dioxide, SiO2)

Granitic Gneiss

Gneiss (High-grade Metamorphic Rock)

Milky Quartz

Quartz / Silicon Dioxide (SiO2)

Banded Gneiss

Gneiss (complex metamorphic silicate rock)

Unakite

Epidotized Granite

Quartzite

Quartzite (primarily Silicon Dioxide, SiO2)

Green Schist

Greenschist (composed of Chlorite, Actinolite, and Epidote)

Smoky Quartz

Silicon Dioxide (SiO2)

Banded Agate (specifically Eye Agate / Chalcedony)

Agate (Cryptocrystalline variety of Quartz, SiO2)

Yellow Quartz (Citrine or Iron-stained Quartz)

Silicon Dioxide (SiO2)

Quartz / Vein Quartz

Quartz (Silicon Dioxide, SiO2)

Smoky Quartz (with possible Feldspar inclusions)

Silicon Dioxide (SiO2)

Quartz (Milky or Clear Quartz fragment)

Silicon Dioxide (SiO2)

Biotite Schist

Biotite-rich Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)

Milky Quartz (with Iron Oxide staining)

Quartz (Silicon Dioxide - SiO2)

Gneiss

Gneiss (High-grade Metamorphic Rock)

Quartzite

Quartzite (SiO2)

Garnet-Bearing Gneiss

Almandine-Garnet Gneiss

Greenschist (Chlorite Schist)

Greenschist (Metamorphic rock dominated by chlorite, actinolite, and epidote)

Jasper, Agate, Quartz Mix (Polished Beads)

SiO₂ (Silicon Dioxide) for Quartz. Jasper and Agate are cryptocrystalline varieties of Quartz.

Quartzite

Quartzite (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Raw Emerald in Schist Matrix

Beryl (Be3Al2Si6O18) in Mica Schist

Greenstone (Greenstone River Pebble)

Greenschist (metamorphosed mafic igneous rock)

Red Tiger's Eye beads

Tiger's Eye (variety of Chalcedony, SiO2)

Gneiss

Gneiss (High-grade regional metamorphic rock)

Greenstone / Diabase Porphyry

Porphyritic Diabase (Micro-gabbro)

Blue Quartzite

Quartzite (primarily SiO2 with inclusions)

Unakite

Unakitized granodiorite / Quartz-Epidote-Feldspar rock

Milky Quartz (Crystal Cluster)

Silicon Dioxide (SiO2) - Quartz Variety

Orange Quartzite (River Pebble)

Quartzite (SiO2 with iron oxide inclusions)

Lapis Lazuli (Lazurite crystals on Marble)

Lazurite / (Na,Ca)8[(S,Cl,SO4,OH)2|(AlSiO4)6]

Red Quartzite (River Pebble)

Quartzite (primarily Silicon Dioxide - SiO2)

Red Jasper

Jasper (a variety of Chalcedony, SiO₂ with iron oxide inclusions)

Riverstone Quartzite (Water-worn Siltstone/Quartzite)

Metamorphosed Quartz-rich Arenite (SiO2)

Limonite (Iron Ore/Hydrated Iron Oxide)

Limonite (mixture of FeO(OH)·nH₂O minerals, mainly Goethite, FeO(OH) and Lepidocrocite, FeO(OH))

Serpentine

Serpentinite (group of minerals including Antigorite, Lizardite, or Chrysotile) (Mg, Fe)3Si2O5(OH)4

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)