Mineral (Variant Of Quartz)

Gold Nugget

Native Gold (Au)

Lepidolite in Quartz (Obelisk)

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lepidolite)

Quartz (Raw Chunk)

Silicon Dioxide (SiO2)

Clear Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Sandstone with Quartz Veining

Clastic sedimentary rock (SiO2 dominated)

Slate with Quartz Vein

Foliated Metamorphic Rock (Mainly Quartz, Muscovite, Chlorite)

Quartz (specifically Milky or Clear Quartz)

Silicon Dioxide (SiO2)

Quartz (Citrine or Iron-stained Quartz)

Silicon Dioxide (SiO2)

Yellow Quartz (Iron-Stained Quartz)

Silicon Dioxide (SiO2) with iron oxide inclusions

Milky Quartz

Silicon dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Iron-Stained Quartzite

Recrystallized Meta-Quartzite (primarily SiO2)

Blue Dumortierite Quartz

AlAl6BSi3O18 (Dumortierite) within SiO2 (Quartz)

Smoky Quartz

Quartz (Silicon Dioxide), Formula: SiO2

Rose Quartz

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

Quartz Druze on Matrix (Geode Fragment)

Quartz (Silicon Dioxide, SiO2)

Milky Quartz (Water-worn pebble)

Quartz (Silicon Dioxide, SiO2)

Geode (unopened)

Chert / Chalcedony Geode (SiO2)

Granite

Granite (a phaneritic intrusive igneous rock consisting mainly of quartz, alkali feldspar, and plagioclase)

Quartz (Milky or Rough Variety)

Silicon Dioxide (SiO2)

Diorite

Diorite (Intermediate intrusive igneous rock)

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide, SiO2)

Sandstone

Arenite

Chevron Amethyst

Silicon Dioxide (SiO2) with iron impurities

Citrine

Quartz (SiO2) - variety Citrine

Rose Quartz

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

Milky Quartz

Silicon Dioxide (SiO2)

Citrine

Silicon Dioxide (SiO2)

Quartzite

Quartzite (primarily SiO2)

Granite

Granite (Felsic Plutonic Rock)

Mica Schist

Mica Schist (Composition typically contains Muscovite: KAl2(AlSi3O10)(OH)2 or Biotite: K(Mg,Fe)3AlSi3O10(OH)2 along with Quartz and Feldspar)

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Rose Quartz

Silicon dioxide (SiO2)

Granite

Granite (a felsic intrusive igneous rock)

Pegmatite (likely Granitic Pegmatite)

Pegmatite (a coarse-grained igneous rock, often with granitic composition)

Banded Gneiss

Gneiss (pronounced "nice")

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Clear Quartz Crystal (Rock Crystal)

Quartz (Silicon Dioxide, SiO2)

Milky Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Milky Quartz Pebble

Quartz (Silicon Dioxide - SiO2)

Clear Quartz Crystal

Quartz (Silicon Dioxide - SiO2)

Quartz River Pebble

Quartz (Silicon Dioxide, SiO2)