Clear Quartz Cluster
Silicon Dioxide (SiO2)
mineral
Category
Mineral (Specifically A Variety Of Chalcedony, Which Is Microcrystalline Quartz)
Browse mineral (specifically a variety of chalcedony, which is microcrystalline quartz) specimens identified by the Rock Identifier community.
Ruby
Corundum (Al2O3 with Chromium trace elements)
mineral
Chert (concretionary/nodular variant)
Microcrystalline Quartz (SiO2) with possible fossil or mineral inclusions
sedimentary
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Mineral (variety of Quartz)
Sapphire
Corundum (Al2O3)
mineral
Purple Chalcedony (likely dyed Agate)
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
mineral
Amazonite in Pegmatite Matrix with Smoky Quartz
K(AlSi3O8) - Microcline (var. Amazonite) with SiO2 (Quartz)
Mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Jasper
Agate/Jasper (Microcrystalline Quartz, SiO2)
sedimentary
Banded Calcite (Mexican Onyx)
Calcite (CaCO3)
mineral
Banded Calcite (often sold as Onyx Marble)
Calcium Carbonate (CaCO3)
mineral
Kyanite in Quartz
Kyanite (Al2SiO5) with Quartz (SiO2)
metamorphic
Jasper (with Agate/Chalcedony inclusions)
Silicon Dioxide (SiO2)
sedimentary
Quartzite (Yellow/Tan river stone variety)
Quartzite (primarily SiO2)
metamorphic
Red Jade (Dyed Quartzite)
Silicon Dioxide (SiO2) - variety Quartzite
metamorphic
Dragon Stone (Dragon Blood Jasper)
Epidote with Pietersite or Red Jasper inclusions (varied SiO2 and Ca2(Al,Fe)3(SiO4)3(OH))
metamorphic
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Aragonite (variety 'Flos Ferri')
Aragonite (CaCO3)
Mineral
Quartz Pebble (likely Chalcedony or Quartzite)
Silicon Dioxide (SiO2)
mineral
Chert (often called Flint for dark variants)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Conglomerate
Conglomerate (Detrital sedimentary rock)
sedimentary
Green Chert (Jasper)
Silicon Dioxide (SiO2)
sedimentary
Citrine Quartz
Citrine (Silicon Dioxide - SiO2)
Mineral
Granite
Granite (a broadly defined plutonic igneous rock, often more specifically classified as quartz monzonite or granodiorite based on precise mineral percentages)
igneous
Red Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Carnelian
Chalcedony (SiO₂)
mineral
Baroque Pearl
Biogenic Calcium Carbonate (Aragonite/Conchiolin)
mineral
Chert (Septarian or Nodular variety)
Microcrystalline Quartz (SiO2)
sedimentary
Dumortierite Quartz
Al7BO3(SiO4)3O3 (Aluminum borate silicate)
mineral
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Green Aventurine (worked as a bead/sphere)
Aventurine Quartz (SiO2 with inclusions of Fuchsite)
metamorphic
Quartz (Drusy/Crystalline variety)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Unakite
Epidote-Feldspar rock
Metamorphic Rock
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Petrified Wood (Silicified Wood)
Silicified Wood (primarily Chalcedony/Quartz, SiO2)
mineral
Orthoceras Fossil in Limestone
Orthoceras regulare (Class Cephalopoda; Order Orthocerida)
sedimentary