Amber
Succinite (approximate formula C10H16O)
mineral
Category
Mineral (Silicate Replaced Organic Material)
Browse mineral (silicate replaced organic material) specimens identified by the Rock Identifier community.
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Amber
Succinite (C10H16O)
mineral
Amber
Succinite (approximate formula C10H16O)
mineral
Mookaite Jasper
Silicified Radiolarite (SiO2 with iron impurities)
sedimentary
Tiger's Eye
Quartz (SiO2) with fibrous inclusions of Altered Crocidolite
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Tiger's Eye
Tiger's Eye (Pseudomorph of Quartz after Crocidolite), SiO2
mineral
Fuchsite (Green Muscovite)
K(Al,Cr)2(AlSi3O10)(OH)2
mineral
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
mineral
Amazonite
K(AlSi3O8) - Potassium Aluminum Silicate (Microcline)
mineral
Peridot (Olivine)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Olivine (Peridot)
Magnesium Iron Silicate ((Mg, Fe)2SiO4)
mineral
Beryl (Emerald Variety)
Beryllium Aluminum Silicate (Be3Al2(SiO3)6)
mineral
Quartz with Mica
SiO2 (Quartz) with Potassium aluminum silicate (Muscovite)
Mineral
Moonstone
Potassium aluminum silicate (KAlSi3O8) with Albite (NaAlSi3O8)
mineral
Almandine Garnet
Iron aluminum silicate (Fe3Al2(SiO4)3)
mineral
Peridot (Olivine)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Larimar (Pectolite)
NaCa2Si3O10(OH) (Sodium Calcium Silicate Hydroxide)
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Peridot (Olivine)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Peridot (Olivine)
(Mg,Fe)2SiO4 (Magnesium Iron Silicate)
mineral
Almandine Garnet
Iron aluminum silicate (Fe3Al2(SiO4)3)
Mineral
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate)
mineral
Olivine (Peridot)
Magnesium Iron Silicate ((Mg, Fe)2SiO4)
mineral
Chrome Diopside
Diopside (Magnesium Calcium Silicate) - CaMgSi2O6 + Cr
mineral
Beryl (Aquamarine) in Matrix
Beryllium aluminum silicate (Be3Al2(SiO3)6)
mineral
Olivine (Peridot when gem-quality)
Magnesium Iron Silicate, (Mg,Fe)2SiO4
Mineral
Limonite (Iron Ore/Hydrated Iron Oxide)
Limonite (mixture of FeO(OH)·nH₂O minerals, mainly Goethite, FeO(OH) and Lepidocrocite, FeO(OH))
Mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Crushed Limestone
Calcite-rich Sedimentary Rock (CaCO3)
sedimentary
Garnet
Garnet Group (Silicate mineral); general formula X3Y2(SiO4)3
Mineral
Diorite (Polished Cobble)
Diorite (Intermediate intrusive igneous rock)
Igneous
Unakite
Unakite (Epidotized Granite)
metamorphic
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Limestone with Chert Nodules
Sedimentary Calcium Carbonate (CaCO3) with Microcrystalline Silica (SiO2) inclusions
sedimentary
Fossilized Bone
Permineralized Vertebrate Fossil
sedimentary
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Agate (Moss or Dendritic Agate)
Chalcedony (Silicon Dioxide, SiO2)
mineral
White Marble (Tumbled)
Recrystallized Calcite (CaCO3)
metamorphic
Banded Chert / Chalcedony
Silicon Dioxide (SiO2)
sedimentary