Chrysocolla in Matrix
Hydrated copper silicate - (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Category
Igneous, Sedimentary, Or Metamorphic (Mineral Based)
Browse igneous, sedimentary, or metamorphic (mineral based) specimens identified by the Rock Identifier community.
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Blue Howlite (Dyed)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
mineral
Hematite
Hematite (Fe2O3)
mineral
Amazonite
Amazonite (KAlSi3O8)
mineral
River Cobble (Salt and Pepper Gneiss)
Gneiss (High-grade regional metamorphic rock)
metamorphic
Clear Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Quartz (Milky or Clear Quartz fragment)
Silicon Dioxide (SiO2)
mineral
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Mica Schist
Mica Schist (primarily Muscovite or Biotite sheet silicates)
metamorphic
Rose Quartz
Quartz (Silicon Dioxide - SiO2) with trace amounts of titanium, iron, or manganese
mineral
Diamond (Princess Cut Faceted Gemstone)
Native Carbon (C)
mineral
Basalt Porphyry
Porphyritic Basalt
igneous
Yellow Jasper
Silicon Dioxide (SiO2) with iron hydroxides (Goethite)
sedimentary
Quartzite with Chert inclusions
Metamorphosed Quartz-rich Rock (SiO2)
metamorphic
Aquamarine and clear quartz
Aquamarine (Be3Al2Si6O18), Quartz (SiO2)
Mineral
K2 Stone (or K2 Jasper)
Azurite-in-Granite (Potassium Feldspar, Quartz, Plagioclase, Muscovite, and Azurite)
igneous
Gneiss
Gneiss (High-grade regional metamorphic rock)
Metamorphic
Banded Gneiss
Gneiss (High-grade metamorphic rock typically composed of Quartz, Feldspar, and Biotite/Amphiboles)
metamorphic
Aventurine (likely Green Aventurine)
Silicon Dioxide (SiO2) with mineral inclusions
Mineral/Mineraloid within a rock matrix
Orange Calcite
Calcite (CaCO3)
Mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone (Ferruginous)
Arenite (Iron-rich)
sedimentary
Gneiss (Metamorphic Cobble)
Gneiss
metamorphic
Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Ferruginous Sandstone (Ironstone Nodules)
Ferruginous Quartz-Arenite (with Goethite/Hematite cement)
sedimentary
Granite Gneiss with Garnet
Garnetiferous Gneiss
metamorphic
Rhodonite, Gray Moonstone, and White Feldspar Mix
Multiple: MnSiO3 (Rhodonite), (K,Na)AlSi3O8 (Feldspar/Moonstone)
mineral
Charoite
Charoite (K(Ca,Na)2Si4O10(OH,F)·H2O)
mineral
Pebble
Clast (specifically a granule or small pebble)
Sedimentary
Gneiss (Metamorphic Rock)
Gneiss
metamorphic
Foliated Gneiss (River-Worn Pebble)
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Gneiss (Metamorphic Rock)
Gneiss
metamorphic
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Jade (likely Jadeite)
Jadeite (a pyroxene mineral) or Nephrite (a variety of amphibole mineral)
Mineral
Quartz (Engineered Stone Countertop)
Silicon Dioxide (SiO2) with polymer resins
Sedimentary-like (Industrial Composite)
Rough Diamond
Diamond (pure Carbon, C)
mineral
Limonite (Bog Iron)
Limonite (Hydrated iron(III) oxide-hydroxide) - FeO(OH)·nH2O
mineral
Clear Quartz (or Rock Crystal)
Quartz (SiO₂ - Silicon Dioxide)
Mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Moonstone (Feldspar)
Orthoclase or Oligoclase (KAlSi3O8)
mineral