Mixed collection of minerals and rocks (Jasper, Carnelian, Granite, and Quartz)
Silicon Dioxide (SiO2) with varying impurities for silicates and igneous aggregates
igneous, sedimentary, and metamorphic
Category
Mineral, Specifically A Variety Of Quartz
Browse mineral, specifically a variety of quartz specimens identified by the Rock Identifier community.
Chert (Tripolitic Chert / Flint Nodules)
Microcrystalline Quartz (SiO2)
sedimentary
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Amazonite
Microcline (K(AlSi3O8))
mineral
Rose Quartz
Silicon Dioxide with traces of Titanium, Iron, or Manganese (SiO2)
mineral
Aventurine Quartz
Silicon Dioxide (SiO2) with inclusions (typically Fuchsite/Mica)
metamorphic
Red Agate
Agate (Cryptocrystalline variety of Quartz, SiO2)
mineral
Honey Calcite
Calcium Carbonate (CaCO3)
mineral
Green Calcite (often commercially called Green Onyx)
Calcium Carbonate (CaCO3)
Mineral
Rose Quartz
Silicon dioxide with traces of titanium, iron, or manganese (SiO2)
mineral
Sardonyx Cameo
Silicon Dioxide (SiO2) - variety Cryptocrystalline Quartz
Mineral
Rose Quartz
SiO2 (Silicon Dioxide)
mineral
Carnelian (a variety of Chalcedony)
Silicon Dioxide (SiO2) with iron oxide impurities
mineral
Rough Green Beryl (Emerald variety)
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
mineral
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Amethyst (Chevron Amethyst)
Amethystine Quartz (SiO2)
mineral
Ferruginous Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2) with Hematite/Goethite inclusions
mineral
Sandstone (Graywacke)
Clastic Sedimentary Rock (Lithic Sandstone)
sedimentary
Jasper (specifically a banded or dark variety)
Silicon Dioxide (SiO2) with impurities
sedimentary
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Pink Granite
Granite (Alkali-feldspar granite)
igneous
Green Jasper
Jasper (variety of Microcrystalline Quartz, SiO2)
sedimentary
Strawberry Quartz
Quartz (SiO2) with inclusions of Goethite or Hematite
Mineral
Red Jasper
Silicon dioxide (SiO2) with iron oxide (Hematite) inclusions
sedimentary
Pink Granite
Granite (Phaneritic Felsic Igneous Rock)
igneous
Chalcedony (Agate/Carnelian)
Cryptocrystalline Silicon Dioxide (SiO2)
mineral
Blue Calcite
Calcite (CaCO3)
mineral
Yellow Jasper
SiO2 (Silicon Dioxide)
sedimentary
Chert Nodule
Microcrystalline Quartz (SiO2)
sedimentary
Chalcedony (Agate/Chert)
Microcrystalline Quartz (SiO2)
sedimentary
Black Onyx
Silicon dioxide (SiO2)
mineral
Pink Granite
Granite (Phaneritic igneous rock rich in Alkali Feldspar and Quartz)
igneous
Leopard Skin Jasper
Chalcedony (cryptocrystalline Quartz)
Mineral
Banded Agate / Lace Agate
Agate (Silica/Quartz) - SiO2
mineral
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
sedimentary
Amazonite
Amazonite (KAlSi3O8); a green variety of Microcline feldspar
mineral
Red Quartzite
Quartzite (primarily SiO2)
metamorphic
Yellow Jasper
Cryptocrystalline Quartz (SiO2)
sedimentary
Rose Quartz
Silicon Dioxide with traces of titanium, iron, or manganese (SiO2)
mineral
Black Veined Jasper (Spiderweb Jasper)
Silicon Dioxide (SiO2)
sedimentary
Yellow Jasper
Cryptocrystalline Quartz (SiO2) with iron inclusions
sedimentary
Smoky Quartz
Silicon Dioxide (SiO2)
mineral