Basalt with Iron Oxidation
Extrusive Mafic Igneous Rock (composed of Plagioclase and Pyroxene)
Category
Browse metamorphic or sedimentary (with staining) specimens identified by the Rock Identifier community.
Basalt with Iron Oxidation
Extrusive Mafic Igneous Rock (composed of Plagioclase and Pyroxene)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions
Granite (with alteration)
Granite (Felsic intrusive igneous rock)
Milky Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Ferruginous Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz Vein with Iron Staining
Silicon Dioxide (SiO2)
Rough Quartz in Pegmatite Matrix
Quartz (Silicon Dioxide - SiO2) in Granitic Pegmatite
Quartz (Smoky/Milky variety with inclusion)
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Ferruginous Quartz
Silicon Dioxide with Hematite/Limonite impurities (SiO2 + Fe2O3)
Milky Quartz (Water-Worn Pebble)
Quartz (Silicon Dioxide, SiO2)
Milk Quartz (River Pebble)
Quartz (Silicon Dioxide, SiO2)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Basalt with Secondary Mineral Inclusions
Amygdaloidal Basalt (Mafic volcanic rock, primarily Augite and Plagioclase)
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Smoky Quartz (with Iron Oxidation)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz / Quartzite)
Silicon Dioxide (SiO2)
Milk Quartz (with Iron staining)
Silicon Dioxide (SiO2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions (Limonite/Goethite)
Quartz with Iron Staining
Silicon Dioxide (SiO2) with Hematite/Limonite inclusions
Milky Quartz (river pebble)
Quartz (Silicon Dioxide, SiO2)
Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz Pebble (with Manganese dendrites/staining)
Silicon Dioxide (SiO2) with Manganese Oxide impurities
Kyanite (Blue and Green varieties)
Kyanite (Al₂SiO₅)
Quartz Pebble
Silicon dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Rough Quartz (with Feldspar inclusions)
Silicon Dioxide (SiO2)
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Granite (Weathered)
Granite (Felsic Plutonic Rock)
Quartz (Milky/Iron-stained)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Feldspar Rich Granite with Limonite Staining
K-Feldspar Granite (KAlSi3O8)
Ferruginous Quartz (Hematoid Quartz)
Silicon Dioxide (SiO2) with Hematite or Goethite inclusions