Crystal

Green Aventurine

SiO2

Ocean Jasper

SiO2

Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Clear Quartz Crystal

Quartz (Silicon Dioxide, SiO2)

Quartz Crystal Point

Silicon Dioxide (SiO2)

Quartz crystal cluster (likely iron-stained quartz)

Quartz, silicon dioxide (SiO₂), with possible iron-oxide inclusions

Clear Quartz Crystal

Quartz (Silicon Dioxide, SiO2)

Quartz Crystal Fragment

Silicon Dioxide (SiO2)

Clear Quartz Crystal

Silicon Dioxide (SiO2)

Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Clear Quartz Crystal

Silicon Dioxide (SiO2)

Likely kyanite crystal

Kyanite, Al₂SiO₅

Rose Quartz

Silicon Dioxide (SiO2)

Tumbled Rose Quartz with Matrix

Rose Quartz - SiO2 (Silicon Dioxide)

Rose Quartz

Quartz (Silicon Dioxide, SiO2)

Faceted Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz crystal fragment (likely milky quartz)

Quartz, silicon dioxide (SiO₂), trigonal crystal system

Quartz geode / druzy quartz

Quartz (SiO₂), likely a small chalcedony-lined geode with drusy quartz crystals

Herkimer Diamond (Quartz)

Silicon Dioxide (SiO2)

Small greenish crystal/mineral fragment

Indeterminate; possibly olivine, quartz, or a green gemstone fragment

Clear Quartz Crystal

Quartz (Silicon Dioxide, SiO2)

Peach/orange calcite crystal

Calcite (calcium carbonate, CaCO₃)

Clear quartz crystal (likely milky/included quartz)

Quartz, silicon dioxide (SiO₂)

Raw quartz crystal cluster

Quartz (silicon dioxide, SiO₂), likely included or iron-stained quartz

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Emerald crystal in host rock

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)

Quartz Crystal (Smoky Quartz)

Silicon Dioxide (SiO2)

Smoky quartz crystal

Quartz (SiO₂), naturally irradiated smoky variety

Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Herkimer Diamond

Quartz (Silicon Dioxide, SiO2)

Likely aragonite crystal cluster

Aragonite, CaCO₃

Herkimer Diamond

Quartz (Silicon Dioxide, SiO2)

Tumbled quartz pebble

Quartz (SiO₂), likely milky or fractured rock crystal

Clear quartz crystal

Quartz (silicon dioxide, SiO₂)

Clear Quartz Crystal

Silicon Dioxide (SiO2)

Quartz Crystal Fragment

Silicon Dioxide (SiO2)

Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz Crystal Fragment

Silicon Dioxide (SiO2)

Clear Quartz Crystal

Silicon dioxide (SiO2)