Chrysocolla
Hydrated copper phyllosilicate, (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Category
Mineral, Organic Gemstone
Browse mineral, organic gemstone specimens identified by the Rock Identifier community.
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Quartz
Silicon Dioxide (SiO2)
mineral
Emerald
Beryl (Be3Al2(SiO3)6)
gemstone
Quartz with Inclusions
Silicon Dioxide (SiO2)
mineral
Peridot (Olivine)
Olivine ((Mg, Fe)2SiO4)
mineral
Fossilized Shark Tooth
Chondrichthyes (Class)
fossil
Chert (Nodular or Massive Variety)
Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert / Flint
Silicon Dioxide (SiO₂)
sedimentary
Petrified Wood
Silicified wood (primarily Silicon Dioxide, SiO2)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Chert (Jasper/Flint variant)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Petrified Wood
Silicified Wood (SiO2)
fossil
Chert (Jasper-rich)
Silicon Dioxide (SiO2)
sedimentary
Fossil Shark Tooth
Chondrichthyes (class); likely Lamniformes (order) fossilized in Apatite/Hydroxyapatite
fossil
Jasper
Silicon dioxide (SiO2) with impurities
sedimentary
Glauconitic Sandstone (Greensand)
Glauconitic Sandstone (Iron-potassium phyllosilicate mineral: (K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2)
sedimentary
Chert (variously known as Flint)
Microcrystalline quartz (SiO2)
sedimentary
Fossiliferous Limestone (Coquina)
Calcite (CaCO3) with Bioclastic inclusions
sedimentary
Fossil Coral
Cnidaria Anthozoa (Fossilized)
sedimentary
Amber
Succinite (specifically Baltic Amber) - Formula: C10H16O (approximate)
Organic Mineraloid
Amber
Succinite (C10H16O)
mineraloid
Amber
Succinite (specifically for Baltic amber); approximate formula C10H16O
organic mineraloid
Amber
Succinite (specifically for Baltic Amber), Formula: C10H16O
Mineraloid
Fossilized Shark Tooth (Otodus)
Otodus sp. (calcium phosphate/hydroxylellite)
sedimentary
Jasper
Silicon dioxide (Quartz variety), SiO2
sedimentary
Banded Chert / Flint Pebble
Microcrystalline Quartz (SiO2)
sedimentary
Moss Agate
Agate (Silicon Dioxide, SiO2) with dendritic inclusions
sedimentary
Fossilized Bone
Permineralized Bone (Vertebrate Fossil)
fossil
Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Raw Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Amazonite
Microcline feldspar (KAlSi3O8)
mineral
Fuchsite
K(Al,Cr)2(AlSi3O10)(OH)2
mineral
Emerald in Host Rock
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Citrine
SiO2 (Silicon Dioxide)
mineral
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
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
mineral
Chert (Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Amber / Copal
Organic resin, C10H16O
mineral
Petrified Wood
Silicified Wood (primarily Quartz/Chalcedony, SiO2)
fossil
Moss Agate
Silicon Dioxide with inclusions (SiO2)
mineral