Lapis Lazuli
Lapis lazuli (Mainly Lazurite: Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Category
Metamorphic Rock (Composed Of Multiple Minerals)
Browse metamorphic rock (composed of multiple minerals) specimens identified by the Rock Identifier community.
Learn about Metamorphic Rock (Composed Of Multiple Minerals) in the encyclopedia
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Rough Emerald/Green Beryl
Beryl (Be3Al2(SiO3)6) with trace amounts of Chromium or Vanadium
mineral
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Beaded Jewelry (Assorted Gemstones)
Various minerals, including but not limited to Quartz (SiO2), Garnet (X3Y2(SiO4)3), Jade (Na(Al,Fe)Si2O6), Amethyst (SiO2),等の多様な組み合わせ
Mineral, Jewelry
Hematite Concretion
Iron oxide (Fe2O3) in concretionary form
sedimentary
Geode (Chert/Quartz Nodule)
Silicon Dioxide (SiO2)
sedimentary
Picture Jasper
Silicon dioxide (SiO2)
sedimentary
Moonstone
Orthoclase (KAlSi3O8) with inclusions of Albite (NaAlSi3O8)
mineral
Schist
Lepidoblastic Mica Schist
metamorphic
Sandstone
Arenite (SiO2 based)
sedimentary
Geode (Unopened)
SiO2 (Quartz-filled Sedimentary Nodule)
sedimentary
Slate with Iron Staining
Low-grade Metamorphic Mudstone (Slate)
metamorphic
Blue Apatite
Calcium Fluorophosphate - Ca5(PO4)3F
mineral
Yellow Quartz
Silicon Dioxide (SiO2)
mineral
River Pebble (Quartzite)
Quartzite (SiO2)
metamorphic
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Tiger's Eye (Unpolished)
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Quartz (specifically Citrine or Yellow Quartzite pebble)
Silicon Dioxide (SiO2)
mineral
Basalt with Porphyritic Texture
Porphyritic Basalt
igneous
Amethyst and Ruby in Zoisite
Silicon Dioxide (SiO2) and Anyolite (Zoisite-Hornblende-Ruby mix)
mineral and metamorphic rock
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Sandstone
Arenite (SiO2 based typically)
sedimentary
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite
Pyrite (Iron Disulfide), FeS2
Mineral
Quartzite with Quartz Veining
Quartzite (primarily SiO2)
metamorphic
Quartz with Hematite Staining
Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3) inclusions
mineral
Milky Quartz with Chlorite/Amphibite Inclusions
Silicon Dioxide (SiO2) with various mineral inclusions
mineral
Greywacke (Sandstone)
Lithic wacke
sedimentary
Chert (Jasper/Agate variety)
Silicon Dioxide (SiO2)
sedimentary
Picture Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Geode (unopened)
Quartz-filled Geode (SiO2)
sedimentary
Chert (Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Serpentine (Nephrite-like River Cobble)
Serpentinite (Hydrous Magnesium Iron Silicate)
metamorphic
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F
mineral
Sandstone with Manganese Dendrites/Oxide coatings
Arenite with Pyrolusite and Romanechite (MnO2)
sedimentary
Ferruginous Quartzite (Iron-stained Quartz)
Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3)
metamorphic
Map Jasper (Picasso Stone)
Metamorphosed Calcium Carbonate (Crystalline Limestone or Marble with Silicate inclusions/impurities)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Blue Quartzite
Silicon Dioxide (SiO2) with inclusions
metamorphic
Schist
Chlorite-Mica Schist
metamorphic
Chalcedony (River Agate)
Silicon Dioxide (SiO2)
mineral
Chalcedony Geode Fragment
Cryptocrystalline Quartz (SiO2)
mineral