Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Category
Mineral Health
Browse mineral health specimens identified by the Rock Identifier community.
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Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
mineral
Bloodstone (also known as Heliotrope)
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Amethyst
Amethyst (Quartz variety), Silicon Dioxide (SiO2)
mineral
Citrine
Citrine (Silicon Dioxide - SiO2)
mineral
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
mineral
Amazonite
Microcline (KAlSi3O8) with lead inclusions
mineral
Celestine (Celestite)
Strontium sulfate (SrSO4)
mineral
Amethyst
Amethyst (Silicon Dioxide, SiO2 with Iron impurities)
mineral
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Rose Quartz
Crystalline Silicon Dioxide with trace Titanium, Iron, or Manganese (SiO2)
mineral
Amygdaloidal Basalt
Amygdaloidal Basalt containing Zeolite and Calcite inclusions
igneous
Agate
Agate (Silicon Dioxide, SiO2)
mineral
Chert with Quartz Vein
Microcrystalline Quartz (SiO2) with Macrocrystalline Quartz
sedimentary
Ferruginous Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2) with iron oxide inclusions (Limonite/Hematite)
mineral
Mica in Quartz Host
Muscovite (KAl2(AlSi3O10)(OH)2) in Quartz (SiO2)
igneous
Quartz (Milky or Iron-stained)
Quartz (Silicon Dioxide, SiO2)
mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Schist
Mica Schist
metamorphic
Basalt with Granite Inclusions (Xenoliths)
Mafic igneous rock (Basalt) with Sialic minerals
igneous
Yellow Quartz (Polished)
Silicon Dioxide (SiO2) with iron inclusions
mineral
Amazonite
Potassium Feldspar (KAlSi3O8)
mineral
Basalt with Secondary Mineral Inclusions
Amygdaloidal Basalt (Mafic volcanic rock, primarily Augite and Plagioclase)
igneous
Diamond Drill Core (Greenschist and Quartzite)
Chlorite Schist / Meta-quartzite (Metamorphic Rock Core Sample)
metamorphic
Granite Pebble
Granite (Phaneritic Quartz-Feldspar Rock)
igneous
Sandstone (Pebble)
Arenite (primarily SiO2)
sedimentary
Quartz (Yellow/Citrine variety)
Silicon Dioxide (SiO2)
mineral
Yellow Quartz (Citrine/Yellow Chalcedony)
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Quartz with Iron Staining
Silicon Dioxide (SiO2) with FeOx inclusions
mineral
Ferruginous Quartz (Iron-stained Quartz)
Silicon Dioxide with Iron Oxide (SiO2 with traces of Fe2O3/FeO(OH))
mineral
Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Peach Moonstone
Potassium Aluminum Silicate, KAlSi3O8
mineral
Tiger Iron
Tiger Iron (composite of Tiger's Eye, Red Jasper, and Hematite)
metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Citrine or Yellow Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz (Pinkish-Orange Variety)
Crystalline Silicon Dioxide (SiO2)
mineral
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Massive Quartz with Host Rock
Silicon Dioxide (SiO2)
mineral
Chert (Jasper/Flint Pebble)
Microcrystalline quartz (SiO2)
sedimentary
Green Aventurine (Green Quartzite)
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
metamorphic