Banded Gneiss
Gneiss (Foliated Metamorphic Rock)
metamorphic
Category
Mineral Based Composite
Browse mineral based composite specimens identified by the Rock Identifier community.
Learn about Mineral Based Composite in the encyclopedia
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Sandstone (Pebble)
Arenite
sedimentary
Gravel and Sediment Sample
Mixed clastic sediment
sedimentary
Gravel and Pebbles
Unconsolidated rock fragments / detrital sediment
sedimentary
Basalt
Basalt
Igneous
Orange Calcite (likely polished specimen)
Calcite
Mineral
Gneiss Pebble
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Shark Tooth Fossil
Carcharocles megalodon or similar extinct shark tooth
fossil
Black Pearl (Tahitian Type)
Aragonite / Conchiolin composite (CaCO3)
mineraloid
Mica Schist
Schist
metamorphic
Schist
Schist
Metamorphic
Pearl (likely Freshwater or Akoya Cultured)
Aragonite / Conchiolin composite (CaCO3)
Mineralloid (Organic gemstone)
Shark Tooth Fossil
Chondrichthyes fossil
fossil
Granite
Felsic intrusive igneous rock
igneous
Fossil Shell
Invertebrate fossil (Mollusca)
fossil
Granite Pebble
Intrusive Igneous Rock
igneous
Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
igneous
Mammoth or Mastodon Tooth Fragment
Mammuthus / Mammut molar fragment
fossil
Red Siltstone
Siltstone (composed of Quartz and Clay minerals)
sedimentary
Siltstone with Sandstone Bands
Siltstone (composed of Quartz and Clay minerals)
sedimentary
Iron Meteorite (Individual)
Siderite (composed of Kamacite and Taenite minerals)
igneous
Fossil Shark Tooth
Squalicorax (likely Squalicorax pristodontus or Squalicorax falcatus)
fossil
Mammoth Tooth
Mammuthus primigenius (Tooth fragment)
fossil
Granite Pebble
Intrusive Igneous Rock
igneous
Granite Pebble
Phaneritic intrusive igneous rock
igneous
Orca Agate
Chalcedony (Microcrystalline Quartz, SiO2)
sedimentary
Granite
Intrusive Igneous Rock (Felsic)
igneous
Mammoth or Mastodon Tooth Fragment
Mammuthus / Mammut molar fragment
fossil
Sandstone Pebble
Sedimentary Rock (Quartzose Sandstone)
sedimentary
Opalite
Synthetic Glass (Silica-based)
gemstone
Granite with Pyrite or Mica
Phaneritic intrusive igneous rock
igneous
Chakra Crystal Bracelet
Mixed Mineral Assortment
gemstone
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Dragon's Breath (Mexican Opal Glass)
Artisan Foil Glass (SiO2 based)
mineraloid
Granite
Intrusive Igneous Rock
igneous
Fossil Seashell
Invertebrate fossil (Bivalvia)
fossil
Granite
Intrusive Igneous Rock
igneous
Sandstone (Pebble / Cobble)
Arenite / Sedimentary Rock (composed of quartz and feldspar)
sedimentary
Sandstone (Pebble)
Arenite (primarily SiO2)
sedimentary
Sandstone
Arenite
sedimentary
Sandstone
Arenite
sedimentary