Rock Identifier

Category

Mineral (Pseudomorph)

Browse mineral (pseudomorph) specimens identified by the Rock Identifier community.

Learn about Mineral (Pseudomorph) in the encyclopedia

Pineapple Opal

Glauconite

Hutcheonite

Halite

Sperrylite

Baddeleyite

Anatase

Brookite

Talc

Euxenite

Eltyubyuite

Buergerite

Limonite (Iron-rich Siltstone / Sandstone base) (Hydrous ferric oxide mixture (FeO(OH)·nH2O)) — sedimentary

Limonite (Iron-rich Siltstone / Sandstone base)

Hydrous ferric oxide mixture (FeO(OH)·nH2O)

Garden Quartz (Lodalite) (Silicon Dioxide (SiO2) with mineral inclusions) — mineral

Garden Quartz (Lodalite)

Silicon Dioxide (SiO2) with mineral inclusions

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Chrysocolla (Hydrated copper phyllosilicate, (Cu,Al)2H2Si2O5(OH)4·nH2O) — mineral

Chrysocolla

Hydrated copper phyllosilicate, (Cu,Al)2H2Si2O5(OH)4·nH2O

Quartz pebble (Silicon dioxide (SiO2)) — sedimentary

Quartz pebble

Silicon dioxide (SiO2)

Quartz with Iron Staining (Silicon Dioxide (SiO2)) — mineral

Quartz with Iron Staining

Silicon Dioxide (SiO2)

Quartz Crystal Matrix (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal Matrix

Silicon Dioxide (SiO2)

Quartz with Iron Staining (Silicon Dioxide (SiO2) with Goethite/Limonite inclusions) — mineral

Quartz with Iron Staining

Silicon Dioxide (SiO2) with Goethite/Limonite inclusions

Quartz pebble (Silicon dioxide (SiO2)) — sedimentary

Quartz pebble

Silicon dioxide (SiO2)

Amethyst Geode (Quartz (Silicon Dioxide, SiO2) with iron impurities) — mineral

Amethyst Geode

Quartz (Silicon Dioxide, SiO2) with iron impurities

Amethyst (Silicon Dioxide (SiO2) with iron impurities) — gemstone

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Quartz (Pink / Ferruginous) (Silicon Dioxide (SiO2)) — mineral

Quartz (Pink / Ferruginous)

Silicon Dioxide (SiO2)

Yellow Quartz (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz

Silicon Dioxide (SiO2)

Quartz Crystal Matrix (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal Matrix

Silicon Dioxide (SiO2)

Emerald (Beryl (Be3Al2(SiO3)6)) — gemstone

Emerald

Beryl (Be3Al2(SiO3)6)

Citrine (Yellow Quartz) (Silicon Dioxide (SiO2)) — mineral

Citrine (Yellow Quartz)

Silicon Dioxide (SiO2)

Citrine (Heat-treated Amethyst) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Citrine (Heat-treated Amethyst)

Silicon Dioxide (SiO2) with iron impurities

Peridot (Olivine) (Olivine ((Mg, Fe)2SiO4)) — mineral

Peridot (Olivine)

Olivine ((Mg, Fe)2SiO4)

Smoky Quartz (Silicon dioxide (SiO2)) — Mineral

Smoky Quartz

Silicon dioxide (SiO2)

Herkimer Diamond (Quartz (Silicon Dioxide, SiO2)) — mineral

Herkimer Diamond

Quartz (Silicon Dioxide, SiO2)

Larimar (Blue Pectolite (NaCa2Si3O8(OH))) — mineral

Larimar

Blue Pectolite (NaCa2Si3O8(OH))

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Cherry Quartz with Rose Quartz (Crystalline Quartz (SiO2) with glass-based synthetic components) — gemstone

Cherry Quartz with Rose Quartz

Crystalline Quartz (SiO2) with glass-based synthetic components

Prehnite (Prehnite (Ca2Al(AlSi3O10)(OH)2)) — mineral

Prehnite

Prehnite (Ca2Al(AlSi3O10)(OH)2)

Muscovite Mica (Muscovite, KAl2(AlSi3O10)(OH)2) — mineral

Muscovite Mica

Muscovite, KAl2(AlSi3O10)(OH)2

Serpentine ((Mg,Fe)3Si2O5(OH)4) — metamorphic

Serpentine

(Mg,Fe)3Si2O5(OH)4

Yellow Ochre (Goethite-rich clay (Hydrated Iron Oxide: FeO(OH)·nH₂O)) — mineral

Yellow Ochre

Goethite-rich clay (Hydrated Iron Oxide: FeO(OH)·nH₂O)

Gneiss with Iron Staining and Sulfide Mineralization (Metamorphic Gneiss / Amphibolite with Iron/Sulfide Oxidation) — metamorphic

Gneiss with Iron Staining and Sulfide Mineralization

Metamorphic Gneiss / Amphibolite with Iron/Sulfide Oxidation

Granite / Gneiss Ballast Rock (Granite (Quartzo-feldspathic rock)) — igneous

Granite / Gneiss Ballast Rock

Granite (Quartzo-feldspathic rock)

Orgonite Pyramid (containing Amethyst and mixed minerals) (Silicon Dioxide (SiO2) in synthetic resin) — gemstone

Orgonite Pyramid (containing Amethyst and mixed minerals)

Silicon Dioxide (SiO2) in synthetic resin

Garnet (Almandine-Pyrope) (Almandine-Pyrope Mg3Al2(SiO4)3 to Fe3Al2(SiO4)3) — mineral

Garnet (Almandine-Pyrope)

Almandine-Pyrope Mg3Al2(SiO4)3 to Fe3Al2(SiO4)3

Amygdaloidal Basalt (Amygdaloidal Basalt (Mafic extrusive volcanic rock with secondary mineral infilling)) — igneous

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic extrusive volcanic rock with secondary mineral infilling)

Peacock Ore (Bornite (Cu5FeS4)) — mineral

Peacock Ore

Bornite (Cu5FeS4)

Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2) — Mineral

Fuchsite

K(Al,Cr)2(AlSi3O10)(OH)2

Muscovite Mica (Muscovite (KAl2(AlSi3O10)(OH)2)) — mineral

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Smoky Quartz with Feldspar (SiO2 (Quartz) with KAlSi3O8 (Feldspar)) — mineral

Smoky Quartz with Feldspar

SiO2 (Quartz) with KAlSi3O8 (Feldspar)

Amygdaloidal Basalt (Amygdaloidal Basalt (Mafic volcanic rock)) — igneous

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic volcanic rock)

Quartz in Matrix (Silicon Dioxide (SiO2)) — mineral

Quartz in Matrix

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)