Carnelian
Carnelian Agate (SiO2)
mineral
Category
Mineral Like Industrial Smelting Waste
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Quartz Geode (Smoky Quartz)
Silicon Dioxide (SiO2)
mineral
Druzy Quartz
Silicon Dioxide (SiO2)
mineral
Basalt
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
igneous
Quartz (Smoky or Clear variety with inclusions)
Silicon Dioxide (SiO2)
mineral
Obsidian
Obsidian (Volcanic Glass)
igneous
Amber / Copal
Succinite (fossilized tree resin)
mineraloid
Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Schist
Mica Schist
metamorphic
Schist
Schist (primarily mica-schist)
metamorphic
Limonite (Hydrated Iron Oxide / Bog Iron)
FeO(OH)·nH2O
Mineral (Sedimentary context)
Quartz (Crystal Fragment)
Silicon Dioxide (SiO2)
mineral
Granitic Pegmatite with Schorl
Granitic Pegmatite (Schorl: NaFe3Al6(Si6O18)(BO3)3(OH)3OH)
igneous
Quartzite (specifically an iron-stained or Carnelian-colored variety)
Silicon Dioxide (SiO2) with iron oxide inclusions
metamorphic
Quartz (specifically Clear Quartz or Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Scoria (with Iron Oxidation)
Vesicular Basalt / Scoria
igneous
Dinosaur Bone
Agatized Dinosaur Bone
sedimentary/fossil
Rose Quartz Chips
Quartz (Silicon Dioxide - SiO2)
mineral
Banded Flint (Chert)
Silicon Dioxide (SiO2)
sedimentary
Bull Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Gneiss
Gneiss
metamorphic
Granite
Granite
igneous
Greenschist
Greenschist (composed of Chlorite, Actinolite, and Epidote)
metamorphic
Larimar
Blue Pectolite (NaCa2Si3O8(OH))
mineral
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Galena
Lead(II) sulfide (PbS)
mineral
Quartz (Milky/Iron-stained)
Silicon Dioxide (SiO2)
mineral
Conglomerate (River Rock)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Laterite
Laterite (no specific mineral formula as it's a rock type)
Sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Chrysoberyl (Cyclic Twin)
Beryllium Aluminum Oxide (BeAl2O4)
mineral
Pink Granite
Felsic intrusive igneous rock (composition: SiO2 and Al2O3)
igneous
Feldspar
KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8
mineral
Geode (Unopened)
Silica-rich Concretion (primarily SiO2)
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Rutilated Quartz
Quartz (SiO2) with Rutile (TiO2) inclusions
Mineral
Green Aventurine
Aventurine Quartz (SiO2 + Fuchsite mica)
metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary