Amber
Succinite
mineraloid
Category
Mineral (Silicate Replaced Organic Material)
Browse mineral (silicate replaced organic material) specimens identified by the Rock Identifier community.
Learn about Mineral (Silicate Replaced Organic Material) in the encyclopedia
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Chert (Nodule)
Silicon Dioxide (SiO2)
sedimentary
Chert (Quartz Variety)
Microcrystalline Silica (SiO2)
sedimentary
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Tiger's Eye
Fibrous Quartz (SiO2) with iron inclusions
mineral
Chert (Cherty Flint/Jasper variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Chert (with Calcite Veining)
Silicon Dioxide (SiO2) with Calcium Carbonate (CaCO3) veins
sedimentary
Common Opal (Green Opal / Pistachio Opal)
Hydrated silica (SiO2·nH2O)
mineraloid
Jadeite Jade
NaAlSi2O6 (Sodium Aluminum Silicate)
metamorphic
Chert with Epidote and Jasper inclusions
SiO2 (Silicon Dioxide) with Ca2(Al, Fe)3(SiO4)3(OH) inclusions
sedimentary
Chert (Arrowhead/Tool variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper/Agate variety)
Silicon Dioxide (SiO2)
sedimentary
Fossilized Bone Fragment
Permineralized Vertebrate Bone (Hydrox yapatite replaced by Silica or Calcite)
sedimentary
Limonite after Pyrite (Prophecy Stone)
Limonite (FeO(OH)·nH2O) replacing Pyrite (FeS2)
Mineral pseudomorph
Jasper (Cream/Yellow variety)
Silicon Dioxide (SiO2) with impurities
sedimentary
Amber
Succinite (Fossilized Tree Resin, C10H16O)
gemstone
Amber
Succinate (Fossilized Tree Resin)
mineraloid
Chert (specifically Flint or Jasper variant)
Microcrystalline or Cryptocrystalline Silicon Dioxide (SiO2)
sedimentary
Coal (most likely Bituminous or Anthracite)
Coal (organic sedimentary rock)
Sedimentary
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Chert (varietal known as Jasper or Flint)
Silicon Dioxide (SiO2)
Sedimentary Rock
Ammonite Fossil
Ammonoidea (subclass)
sedimentary
Amber
Succinite (Fossilized Resin)
mineral
Amber
Amber (C10H16O)
mineral
Amber
Succinite (Fossilized Resin)
mineral
Banded Chert
Microcrystalline silicon dioxide (SiO2)
sedimentary
Jasper with Quartz Vein
Silicon Dioxide (SiO2) with impurities
sedimentary
Amber
Succinite (Organic Mineraloid)
mineral
Unakite
Epidotized Granite
metamorphic
Tiger's Eye (Blue/Golden mix)
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Chert (Chert Nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Banded Chert (Ironstone/Jasper)
Cryptocrystalline Quartz (SiO2) with Iron Oxides
sedimentary
Unakite
Unakite (Epidotized Granite)
metamorphic
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions of Iron Oxide)
mineral
Mookaite Jasper
Siliceous sedimentary rock (variety of Jasper/Chert)
Sedimentary Rock
Yellow Jadeite
NaAlSi2O6 (Sodium Aluminum Silicate)
metamorphic
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
metamorphic
Sandstone
Arenite (primary component SiO2)
sedimentary
Limonite (Ironstone Concretion)
Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)
mineral