Titanium Aura Quartz
Titanium bonded Silicon Dioxide (SiO2 + Ti)
mineral
Category
Mineral (Processed Metal)
Browse mineral (processed metal) specimens identified by the Rock Identifier community.
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Carnelian Agate
Silicon Dioxide (SiO2) - Chalcedony containing Iron Oxide impurities
mineral
Quartz River Stone
Silicon Dioxide (SiO2)
sedimentary
Iron Slag
Ferrous Slag (Silicate/Oxide mixture)
industrial byproduct (anthropogenic)
Chert (Quartz Variety)
Microcrystalline Silicon Dioxide (SiO2)
sedimentary
Quartzite River Rock (with Limonite staining)
Quartzite (SiO2)
metamorphic
Banded Gneiss
Gneiss
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Fossilized Shark Tooth
Chondrichthyes (Class)
fossil
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Petrified Wood
Silicified Wood (primarily SiO2)
sedimentary
Eclogite (retrograded)
Eclogite (Omphacite-Garnet rock)
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Petrified Wood
Silicified Wood (SiO2)
fossil
Banded Gneiss
Gneiss (pronounced 'nice')
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Epidote in Quartz
Epidote (Ca2(Al,Fe)3(SiO4)3(OH)) in Quartz (SiO2)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Greenschist
Chlorite schist
metamorphic
Serpentine Jade (New Jade/Olive Jade)
Serpentinite (a rock composed primarily of serpentine minerals) / Mg3Si2O5(OH)4 for Antigorite and Lizardite
Mineral
Granite / Diorite Xenolith or Contact
Felsic-Mafic Intrusive Igneous Rock
igneous
Olivine Basalt (with Epidote and Serpentine)
Mafic Volcanic Rock (Basalt)
igneous
Petrified Wood
Silicified Wood (primarily Chalcedony/Quartz, SiO2)
fossil
Petrified Wood
Silicified Wood (primarily Chalcedony/Quartz, SiO2)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
metamorphic
Red Jasper
Silicon Dioxide with Iron inclusions (SiO2)
sedimentary
Desert Varnish on Sandstone
Ferromanganese coating on Quartz Arenite
sedimentary
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Petrified Wood
Silicified Wood (primarily Quartz/Chalcedony, formula: SiO2)
sedimentary
Red Quartz
Silicon Dioxide (SiO2) with hematite inclusions
mineral
Dyed Blue Agate Slice
Chalcedony (Silicon Dioxide, SiO2)
mineral
Banded Agate
Agate (Silicon Dioxide, SiO2)
mineral
Fossilized Shark Tooth
Elasmobranchii dentition (calcium phosphate / hydroxyapatite)
fossil
Mahogany Obsidian
Volcanic Glass with Hematite/Magnetite inclusions
igneous
Quartz Veined Mudstone
Metasedimentary rock with Quartz (SiO2) veins
metamorphic
Bauxite (Pisolitic Bauxite)
Bauxite (mixture of Hydrous Aluminum Oxides)
sedimentary
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Arfvedsonite with Garnet
Na3(Fe2+,Mg)4Fe3+Si8O22(OH)2
igneous
Iron-stained Quartz Pebble
Silicon Dioxide (SiO2) with Hematite/Limonite inclusions
mineral
Pink Rhodonite
Manganese Silicate (MnSiO3)
mineral
Milky Quartz (or Iron-Stained Quartz)
Quartz (Silicon Dioxide, SiO2)
mineral