Rock Identifier

Category

Mineral (Pseudomorph)

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

Learn about Mineral (Pseudomorph) in the encyclopedia

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Pineapple Opal

Pineapple Opal

Glauconite

Glauconite

Hutcheonite

Halite

Halite

Sperrylite

Sperrylite

Baddeleyite

Baddeleyite

Anatase

Anatase

Brookite

Brookite

Talc

Talc

Euxenite

Euxenite

Eltyubyuite

Buergerite

Buergerite

Blue Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

mineral
Lapis Lazuli (Lapis Lazuli (Complex silicate rock containing Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Complex silicate rock containing Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

metamorphic
Chert (Flint with Iron Staining) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint with Iron Staining)

Silicon Dioxide (SiO2)

sedimentary
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

mineral
Gneiss (Banded Gneiss) (Gneiss) — metamorphic

Gneiss (Banded Gneiss)

Gneiss

metamorphic
Quartz (River Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (River Pebble)

Silicon Dioxide (SiO2)

mineral
Quartz (Smoky/Granular variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Granular variety)

Silicon Dioxide (SiO2)

mineral
Blue Apatite (Apatite - Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Apatite - Ca5(PO4)3(F,Cl,OH)

mineral
Bumblebee Jasper (Carbonate-rich volcanic rock containing Sulfur and Arsenic (Realgar/Orpiment)) — sedimentary

Bumblebee Jasper

Carbonate-rich volcanic rock containing Sulfur and Arsenic (Realgar/Orpiment)

sedimentary
Green Fluorite (Calcium Fluoride (CaF2)) — mineral

Green Fluorite

Calcium Fluoride (CaF2)

mineral
Quartz (River Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (River Pebble)

Silicon Dioxide (SiO2)

mineral
Quartz (Sunstone-like Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Quartz (Sunstone-like Chalcedony)

Silicon Dioxide (SiO2)

mineral
Greenstone with Quartz Veining (Epidiorite or Metabasalt with SiO2 (Quartz) veins) — metamorphic

Greenstone with Quartz Veining

Epidiorite or Metabasalt with SiO2 (Quartz) veins

metamorphic
Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

mineral
Quartz Pebble (Silicon dioxide (SiO2)) — mineral

Quartz Pebble

Silicon dioxide (SiO2)

mineral
Orthoclase Feldspar (Orthoclase (KAlSi3O8)) — mineral

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

mineral
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz Vein with Iron Staining

Silicon Dioxide (SiO2)

mineral
Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Quartz (Quartzite) (Silicon Dioxide (SiO2)) — mineral

Quartz (Quartzite)

Silicon Dioxide (SiO2)

mineral
Greenstone (Metabasalt / Greenstone) — metamorphic

Greenstone

Metabasalt / Greenstone

metamorphic
Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Orthoclase Feldspar (Orthoclase (KAlSi3O8)) — mineral

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

mineral
Granite (Phaneritic plutonic igneous rock (SiO2 range 65-75%)) — igneous

Granite

Phaneritic plutonic igneous rock (SiO2 range 65-75%)

igneous
Milky Quartz Pebble with Iron Inclusions (Silicon Dioxide (SiO2)) — mineral

Milky Quartz Pebble with Iron Inclusions

Silicon Dioxide (SiO2)

mineral
Quartz with Iron Staining and Chlorite Inclusions (Silicon Dioxide (SiO2)) — mineral

Quartz with Iron Staining and Chlorite Inclusions

Silicon Dioxide (SiO2)

mineral
Green Aventurine (Aventurine Quartz (SiO2 with Fuchsite inclusions)) — mineral

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

mineral
Blue Apatite (Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)

mineral
Staurolite (Staurolite (Fe2Al9O6(SiO4)4(O,OH)2)) — mineral

Staurolite

Staurolite (Fe2Al9O6(SiO4)4(O,OH)2)

mineral
Granite Pebble (Intrusive Igneous Rock) — igneous

Granite Pebble

Intrusive Igneous Rock

igneous
Erythrite (Erythrite (Cobalt Bloom) - Co3(AsO4)2·8H2O) — mineral

Erythrite

Erythrite (Cobalt Bloom) - Co3(AsO4)2·8H2O

mineral
Synthetic Wolf Plush (Non-mineral) (Canis lupus similis (Prop material: Polyester & Synthetic fibers)) — Synthetic material/Textile

Synthetic Wolf Plush (Non-mineral)

Canis lupus similis (Prop material: Polyester & Synthetic fibers)

Synthetic material/Textile
Quartzite with Dendritic Manganese Oxide Inclusions (Metamorphic Quartzite (SiO2 with Mn-oxides)) — metamorphic

Quartzite with Dendritic Manganese Oxide Inclusions

Metamorphic Quartzite (SiO2 with Mn-oxides)

metamorphic
Tumbled Stones Collection (Tiger's Eye, Snowflake Obsidian, Aventurine, etc.) (Silica minerals (primarily SiO2)) — mineral

Tumbled Stones Collection (Tiger's Eye, Snowflake Obsidian, Aventurine, etc.)

Silica minerals (primarily SiO2)

mineral
Garnet (Garnet Group (Silicate Minerals)) — mineral

Garnet

Garnet Group (Silicate Minerals)

mineral
Himalayan Salt (Halite) (Halite (NaCl) with trace minerals) — mineral

Himalayan Salt (Halite)

Halite (NaCl) with trace minerals

mineral
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

mineral
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

mineral
Ferruginous Sandstone (with possible Epidote/Chlorite coloring) (Sandstone (SiO2 dominated with Fe2O3 staining)) — sedimentary

Ferruginous Sandstone (with possible Epidote/Chlorite coloring)

Sandstone (SiO2 dominated with Fe2O3 staining)

sedimentary
Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

metamorphic
Malachite (Copper carbonate hydroxide [Cu2CO3(OH)2]) — mineral

Malachite

Copper carbonate hydroxide [Cu2CO3(OH)2]

mineral