Chrysocolla in Matrix
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Silicate/Secondary Copper Mineral)
mineral
Category
Mineral, Part Of A Rock
Browse mineral, part of a rock specimens identified by the Rock Identifier community.
Sandstone Concretion
Arenaceous concretion (primarily SiO2 with Fe2O3 staining)
sedimentary
Schist
Mica Schist
metamorphic
Azurite and Malachite on Matrix
Azurite: Cu3(CO3)2(OH)2; Malachite: Cu2CO3(OH)2
mineral
Granite
Granite (Felsic Plutonic Rock)
igneous
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2 with minor Fe2O3)
sedimentary
Fossilized Coral
Cnidaria (Anthozoa), often replaced by Calcium Carbonate (CaCO3) or Silica (SiO2)
sedimentary
Schist
Lepidoblastic Mica Schist
metamorphic
Milky Quartz with Mineral Inclusions
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz (Water-worn Pebble)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Ocean Jasper
Spherulitic Chalcedony (SiO2)
mineral
Dyed Pink Agate
Silicon Dioxide (SiO2) - variety Chalcedony
mineral
Ironstone Concretion (Moqui Marble)
Iron Oxide Concretion (Fe2O3 / FeO(OH) mixed with SiO2)
sedimentary
Conglomerate
Conglomerate (SiO2 matrix with various silicate clasts)
sedimentary
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Sandstone (Pebble)
Arenite (primarily SiO2)
sedimentary
Gneiss (specifically a Banded Gneiss pebble)
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Red Sandstone
Arenite (ferruginous sandstone)
sedimentary
Copper Ore with Chrysocolla and Azurite
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla) / Cu3(CO3)2(OH)2 (Azurite)
mineral
Heliotrope (Bloodstone)
Silicon dioxide (SiO2) with inclusions
mineral
Auriferous Quartz (Gold-bearing Quartz)
Silicon Dioxide (SiO2) with Elemental Gold (Au)
mineral
Unakite
Unakite (altered granite)
metamorphic
Agate and Amethyst (Quartz variants)
Silicon Dioxide (SiO2) - Microcrystalline Quartz and Crystalline Quartz
mineral
Geode (unopened)
Silica-filled Concretion (SiO2)
sedimentary
Sandstone
Arenite (Sedimentary rock composed of sand-sized grains, primarily SiO2)
sedimentary
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Red Sandstone (Old Red Sandstone Pebble)
Arenite with iron oxide (Fe2O3) cement
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone (Micaceous/Feldspathic variant)
Arenite (specifically subarkose or lithic arenite)
sedimentary
Sandstone
Arenite
sedimentary
Banded Flint (Polished Stripe Flint)
Silicon Dioxide (SiO2) - variety of Chert
sedimentary
Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Sandstone (with Liesegang rings or Oxidation)
Arenite (primarily Quartz SiO2 with Iron Oxide Fe2O3 staining)
sedimentary
Granite
Granite
igneous
Sedimentary Breccia
Breccia (Clastic Sedimentary Rock)
sedimentary
Limonite-stained Quartz / Quartzite
Silicon Dioxide (SiO2) with iron hydroxides (FeO(OH)·nH2O)
sedimentary or metamorphic
Orthoclase (Potassium) Feldspar in Quartz
KAlSi3O8 (Potassium Aluminum Silicate)
igneous
Graphic Granite (Zebra Rock)
Pegmatitic Granite (composed of Quartz and K-Feldspar)
igneous
River Rocks (Basalt and Sedimentary Stones)
Mafic Igneous Rock (Basalt) and Clastic Sedimentary Rock
igneous and sedimentary
Granite Gneiss
Gneiss (high-grade metamorphic rock)
metamorphic
Dalmatian Jasper
Peralkaline rhyolite
igneous