Glaucophane / Blue Schist
Glaucophane (Na2(Mg3Al2)Si8O22(OH)2)
metamorphic
Category
Mineral (Specifically, A Variety Of The Mineral Species Pyrope Almandine Garnet)
Browse mineral (specifically, a variety of the mineral species pyrope almandine garnet) specimens identified by the Rock Identifier community.
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Dalmation Stone (often called Dalmatian Jasper)
Antiperthite-rich Microgranite
igneous
Citrine
Quartz (SiO2) - specifically, a variety of macrocrystalline quartz
mineral
Limonite (Ironstone)
Hydrated Iron Oxide (FeO(OH)·nH2O)
mineral
Granite
Phaneritic Igneous Rock (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)
igneous
Granite
Phaneritic Igneous Rock (composed mostly of Quartz, Feldspar, and Mica)
igneous
Granite Pebble
Granite (Phaneritic intrusive igneous rock comprising Quartz, Feldspar, and Mica)
igneous
Agate (Grey Agate Slice)
Microcrystalline Quartz (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Chert (Tripolitic Chert / Flint Nodules)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (often called Flint)
Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)
sedimentary
Lapis Lazuli
Lapis Lazuli (A metamorphic rock primarily composed of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Mixed Gemstone Beaded Jewelry
Various minerals (e.g., Quartz varieties like Rose Quartz, Amethyst; Peridot; Garnet; etc.)
Mineral
Moonstone
Adularia (orthoclase feldspar variety)
mineral
Chert
Microcrystalline silica (SiO2)
sedimentary
Blue Apatite
Apatite group (Ca5(PO4)3(F,Cl,OH))
mineral
Carnelian (Red Chalcedony)
Silicon Dioxide (SiO2)
mineral
Jasper (Red Jasper)
Jasper (Silicon Dioxide, SiO2)
mineral
Bauxite
Bauxite (mixture of hydrous aluminum oxides: Al(OH)3 & AlO(OH))
sedimentary
Imperial Topaz
Al2SiO4(F,OH)2 (Fluorine-bearing Aluminum Silicate)
gemstone
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Sardonyx Cameo
Silicon Dioxide (SiO2) - variety Cryptocrystalline Quartz
Mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Mica Schist
Schist (muscovite/biotite rich regional metamorphic rock)
metamorphic
Carnelian (a variety of Chalcedony)
Silicon Dioxide (SiO2) with iron oxide impurities
mineral
Aquamarine
Beryl (Be3Al2Si6O18), specifically the blue-green variety
Mineral
Beryl (Variety Mix)
Be3Al2(Si6O18)
Mineral
Limonite Concretion / Ironstone
Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrated Iron Oxide)
mineral
Tsavorite Garnet
Grossular Garnet, Ca3Al2(SiO4)3
gemstone
Schist
Mica Schist (primarily consisting of muscovite KAl2(AlSi3O10)(OH)2 or biotite K(Mg,Fe)3(AlSi3O10)(OH)2)
metamorphic
Seven Chakra Bonded Stone
Bonded composite of Red Jasper, Carnelian, Tiger's Eye, Aventurine, Lapis Lazuli, Amethyst, and Clear Quartz
metamorphic
Planet Earth
Gaia (Silicate Terrestrial Planet)
metamorphic
Blue Lace Agate
Chalcedony (SiO2) with trace minerals
mineral
Granite (specifically the Ubatuba variety)
Phaneritic Igneous Rock (Granodiorite/Monzogranite)
igneous
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Jasper (Zebra Jasper)
Silicon Dioxide (SiO2) with impurities
sedimentary
Desert Rose
Gypsum (variety Selenite) - CaSO4·2H2O
mineral
Granite
Granite (Felsic Plutonic Rock)
igneous