Pink and Green Tourmaline (Tumbled)
Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)
mineral
Category
Mixed
Browse mixed specimens identified by the Rock Identifier community.
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Granodiorite
Granodiorite (intermediate intrusive igneous rock containing plagioclase, quartz, and K-feldspar)
igneous
Unakite
Epidotized Granite
metamorphic
Bumblebee Jasper
Anhydrite with Sulfur, Hematite, and Orpiment (SiO2/CaSO4 mixture)
sedimentary
Pink Granite
Phaneritic Felsic Intrusive Igneous Rock
igneous
Tiger's Eye / Hawk's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Granite
Intrusive Igneous Rock
igneous
Granite
Granite (Phaneritic intrusive igneous rock)
igneous
Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
mineral
Ferrous Slag
Fused calcium-iron silicates (Industrial Slag)
Anthropogenic/Industrial byproduct
Sugilite
Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30)
mineral
Granodiorite
Phaneritic-textured Intrusive Granodiorite
igneous
Fuchsite on Quartz
Muscovite (KAl2(AlSi3O10)(OH)2) with Chromium impurities
metamorphic
Mixed Gravel and Pebbles
Polylithic Alluvial Aggregate
igneous, sedimentary, and metamorphic mix
Chrysocolla
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Hydrated Copper Phyllosilicate)
mineral
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Granite (Pink/Red)
Phaneritic Igneous Rock (Rich in K-Feldspar)
igneous
Sodalite and Calcite
Na8(Al6Si6O24)Cl2 (Sodalite) and CaCO3 (Calcite)
mineral
K2 Jasper (K2 Granite)
Azulite in Granite (Quartz + Feldspar + Biotite + Azurite)
igneous
Chrysocolla
Hydrated copper silicate - Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O
mineral
Banded Chert / Jasper
Silicon Dioxide (SiO2)
sedimentary
Composite Turquoise or Reconstituted Turquoise with Copper inclusions
CuAl6(PO4)4(OH)8·4H2O (Turquoise) mixed with matrix and copper/bronze flakes
mineral
Mixed mineral and rock collection
Predominantly quartz varieties, including amethyst, plus likely calcite, feldspar, mica, and miscellaneous polished stones
mineral
Quartz and Mixed Gravel
Silicon Dioxide (SiO2) with minor impurities
Mineral
Mixed Gemstone Bracelet
Mixed natural minerals and rocks (e.g., Rhodonite, Malachite, Sodalite, Rose Quartz, Black Tourmaline, Quartz/Chalcedony variants)
Mineral/Rock assemblage
Granite Pebble
Granite
igneous
Quartz Pebble with Jasper and Iron Inclusions
Silicon Dioxide (SiO2)
mineral
Gabbro
Gabbro
igneous
Amygdaloidal Basalt
Amygdaloidal Mafic Volcanic Rock
igneous
Pink Granite
Phaneritic Felsic Igneous Rock (composed primarily of K-Feldspar, Quartz, and Plagioclase)
igneous
Rhyolitic Tuff
Rhyolitic Tuff / Pyroclastic rock
igneous
Granite Cobble
Phaneritic Felsic Igneous Rock (Granite)
igneous
Ptygmatic Migmatite
Migmatite (consisting of Neosome and Paleosome fractions)
metamorphic
Mixed tumbled stone collection
Assorted minerals, likely including quartz, jasper, agate, and possibly obsidian or hematite
mineral
Decorative polished pebbles
Likely mixed quartz-rich lithologies, including quartzite, jasper, and/or basalt
mineral
Red Agate Sphere (or Banded Jasper/Agate)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Diorite
Intermediate Phaneritic Igneous Rock
igneous
Conglomerate
Conglomerate (Sedimentary Clastic Rock)
sedimentary
Yellow Jasper
Jasper (Silicon Dioxide with Iron Hydroxide impurities, SiO2 + FeO(OH))
sedimentary
Mixed Gemstones and Minerals
Mixed Silicates and Oxides (Quartz/Amethyst, Aventurine, Sodalite, Chert, Jasper)
mineral
Carnelian and Mixed Agates
Cryptocrystalline Quartz (SiO2 with Iron Oxide impurities)
mineral