Granite Pebble
Granite (composed of Quartz, Feldspar, and Mica)
igneous
Category
Mixed (Sedimentary, Igneous, And Metamorphic)
Browse mixed (sedimentary, igneous, and metamorphic) specimens identified by the Rock Identifier community.
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Pink Granite
Phaneritic Felsic Intrusive Igneous Rock
igneous
Inukshuk Rock Sculpture (composed of Granite, Slate, and Amethyst)
Silicon Dioxide (Amethyst portion, SiO2) with mixed silicate rock assemblage
mineral
Unakite
Epidotized Granite
metamorphic
Unakite
Epidotized Granite
metamorphic
Unakite
Unakite (Epidotized Granite)
metamorphic
Tumbled hematite (likely hematite-rich ironstone)
Hematite, Fe₂O₃; possibly mixed with magnetite or goethite
mineral
Chakra Stone Bracelet
Mixed Mineral Assembly (Scoria, Amethyst, Lapis Lazuli, Turquoise/Howlite, Impression Jasper, Tiger's Eye, Carnelian, Red Jasper)
igneous, metamorphic, and sedimentary
Metallic sulfide mineral specimen, likely pyrite
Pyrite (FeS₂), possibly a pyrite-rich sulfide aggregate
mineral
Soil with Mineral Detritus and Quartz Fragments
Regolith / Silicate Mineral Aggregate
sedimentary
Sodalite
Na4Al3(SiO4)3Cl (Sodium Aluminum Silicate Chloride)
mineral
Unakite
Unakite (Metasomatized Granodiorite)
metamorphic
Lapis Lazuli
Lapis lazuli (complex rock composed of Lazurite, Calcite, and Pyrite)
metamorphic
Fuchsite
Chromium-rich Muscovite Mica
mineral
Asphalt (Bituminous Rock)
Natural bitumen or Bituminous limestone/sandstone
sedimentary
Mixed River Pebbles (including Unakite and Jasper)
Polymineralic geological specimens
igneous and sedimentary
Smoky Quartz and Orthoclase Feldspar
Granitic Pegmatite (SiO2 + KAlSi3O8)
igneous
Green Spot Jasper (Kiwi Jasper / Sesame Jasper)
Partially altered granitic rock rich in quartz, microcline feldspar, and tourmaline or amphibole inclusions
metamorphic
Black Tourmaline
Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)
mineral
Fulgarite
Fulgurite (Lechatelierite / Vitrified Sand)
igneous
Asphalt
Asphalt concrete
sedimentary
Dalmatian Stone (Dalmatian Jasper)
Peralkaline Quartz-Feldspar Porphyry with Arfvedsonite
igneous
Caribbean Calcite
Calcite (CaCO3) with Aragonite (CaCO3)
mineral
Epidosite with Quartz (Unakite-variant or Jasper)
Epidotized Metasomatite
metamorphic
Unakite
Epidotized Granite
metamorphic
Granite
Granite (Plutonic Igneous Rock)
igneous
Pink Granite
Phaneritic Felsic Igneous Rock
igneous
River Pebbles (Mixed Lithology)
Conglomerate clasts (Silica-rich and Metamorphic assemblages)
sedimentary
Yellow Ochre (Limonite)
Limonite (FeO(OH)qnH2O)
sedimentary
Puddingstone
Conglomerate
Sedimentary
Mixed collection of Quartz varieties, Chalcedony, and metamorphic pebbles
Mixed gemstones (primarily Silicon Dioxide - SiO2)
mineral
Jasper / Agate
Silicon dioxide (SiO2)
sedimentary
Copper Ore (Malachite and Limonite bearing)
Cuprite, Malachite, and Limonite mixture
mineral
Granite
Felsic intrusive igneous rock
igneous
Mixed Gravel and Pebbles
Polylithic Alluvial Aggregate
igneous, sedimentary, and metamorphic mix
Asphalt Concrete
Bituminous conglomerate
sedimentary
Unakite
Unakite (altered granite)
metamorphic
Mixed Gemstone and Mineral Collection
Mixed Silica and Carbonate minerals (SiO2, CaSO4·2H2O, etc.)
mineral
Graphite
Graphite (Carbon, C)
Mineral
Jasper containing Agate (Jaspagate)
Silicon Dioxide (SiO2)
sedimentary
Weathered granitic rock fragment
Likely granite or granodiorite, composed mainly of quartz, feldspar, and mica
igneous
Assorted Tumbled Gemstones
Mixed oxides and silicates (including Quartz, Chalcedony, and Feldspar variants)
mineral