Citrine
Silicon Dioxide (SiO2)
Category
Browse mineral (specifically a variety of quartz) specimens identified by the Rock Identifier community.
Citrine
Silicon Dioxide (SiO2)
Smoky Quartz (with Iron Inclusions)
Silicon Dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Chert (Flint)
Chert (SiO2)
Quartz crystal with Pyrite inclusions
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)
Pegmatitic Granite
Granite (composed of Quartz, Feldspar, and Mica)
Citrine or Yellow Quartz
Quartz (SiO2) with iron impurities
Chert Pebble (Yellow/Brown Jasper variety)
Microcrystalline Quartz (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz Geode Fragment
Crystalline Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Amethyst
Amethyst (SiO2)
Banded Agate (specifically Carnelian Agate)
Silicon Dioxide (SiO2)
Chert
Chert (Microcrystalline Quartz, SiO2)
Chert (Flint) Nodule
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Sandstone
Arenite (specifically Quartz Arenite)
Carnelian
Carnelian (a variety of Chalcedony, SiO ₂)
Carnelian (a variety of Chalcedony)
Silicon Dioxide (SiO2) with iron oxide impurities
Brown Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Ruby (Raw Corundum)
Alumina (Al2O3) with Chromium traces
Moonstone (Grey)
Feldspar (variety Orthoclase/Adularia) with the formula (K,Na)AlSi3O8
Yellow Calcite
Calcium Carbonate (CaCO3)
Agate and Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (specifically Jasper/Carnelian variety)
Microcrystalline quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (or Flint)
SiO2 (predominantly microcrystalline quartz)
Dalmatian Stone
Dalmatian Jasper (Aplitic Rock)
Milky Quartz
Silica (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Dalmatian Jasper
Feldspar porphyry (Microcline and Quartz with Arfvedsonite spots)
Emerald in Matrix
Beryl (Be3Al2Si6O18)
Red Jasper (Siltstone/Quartz variety)
Silicon Dioxide (SiO2) with Hematite impurities
Chert
Chert (SiO2)