Sodalite
Sodium Aluminum Silicate Chloride (Na8Al6Si6O24Cl2)
mineral
Category
Mineral (Silicate Variety)
Browse mineral (silicate variety) specimens identified by the Rock Identifier community.
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Micro-Meteorite (Micrometeoroid)
Extraterrestrial Spherule (Silicate or Iron-Nickel)
mineral
Moonstone
Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)
mineral
Plum Blossom Tourmaline
Tourmaline with Lepidolite (Na,Ca)(Li,Mg,Al)3Al6(BO3)3Si6O18(OH)4
igneous
Picture Jasper
Silicon Dioxide (SiO2) with iron oxide and clay inclusions
sedimentary
Assorted Semi-Precious Gemstone Crosses
Quartz, Silicates, Carbonates (various)
mineral
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with various inclusions
mineral
Jadeite (Jade)
NaAlSi2O6 (Sodium Aluminum Silicate)
metamorphic
Jadeite (Jade Ring)
NaAlSi2O6 (Sodium Aluminum Silicate)
metamorphic
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2)
sedimentary
Bumblebee Jasper
Hydrothermal Volcanic Rock (Primarily Calcite with Orpiment - As2S3, Realgar, and Pyrite)
igneous
Sandstone (Ferruginous)
Arenite (with Iron Oxide cement)
sedimentary
Slag (Industrial Byproduct)
Artificial silicate/iron byproduct
Mineral description (Anthropogenic material)
Jadeite Jade
NaAlSi2O6 (Sodium Aluminum Silicate)
metamorphic
Chrysoprase
Nickel-bearing Chalcedony (SiO2 with Ni impurities)
mineral
River Siltstone / Mudstone Pebble
Siltstone (composed of mixed silicate and carbonate minerals)
sedimentary
Snowflake Obsidian (Flower Jasper variant)
Vitreous volcanic silicate with cristobalite inclusions
igneous
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Greenstone / Serpentinite
Serpentinite (composed primarily of minerals from the serpentine group Mg3Si2O5(OH)4)
metamorphic
Jasper or Agate
Silicon dioxide (SiO2)
Mineral
Diorite (possibly Orbicular Diorite or Porphyritic Diorite)
Intermediate Phaneritic Igneous Rock
igneous
White Marble
Recrystallized Calcite / Calcium Carbonate (CaCO3)
metamorphic
Jasper with Hematite inclusions
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)
sedimentary
Green Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Chert Concretion (Flint)
Silicon Dioxide (SiO2)
sedimentary
Jade (likely Jadeite or Nephrite)
Jadeite (NaAlSi2O6) or Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)
Mineral/Mineraloid
Red Jasper
Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)
sedimentary
Black Tourmaline (Schorl)
Schorl (Sodium iron silicate hydroxide boron silicate); NaFe3Al6(BO3)3Si6O18(OH)4
mineral
Quartz (likely Yellow/Orange variety, possibly Citrine or Chalcedony with iron staining)
Quartz (SiO₂)
Mineral
Diorite (Salt and Pepper Rock)
Diorite
igneous
Herkimer Diamond
Quartz (Silicon Dioxide, SiO2)
mineral
Serpentine (Nephrite-like River Cobble)
Serpentinite (Hydrous Magnesium Iron Silicate)
metamorphic
Jasper
Silicon dioxide (SiO2) with iron oxide impurities
sedimentary
Amygdaloidal Rhyolite
Rhyolite (felsic volcanic rock) with amygdules
igneous
Seraphinite
Clinochlore (Mg,Fe)5Al(AlSi3O10)(OH)8 - specific variety for Seraphinite due to its fibrous inclusions and chatoyancy.
Mineral
Banded Calcite (often sold as 'Mexican Onyx' or 'Calcite Onyx')
Calcite (Calcium Carbonate, CaCO3)
sedimentary
Connemara Marble
Ophiocalcite (Serpentinitic Marble)
metamorphic
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Basalt with Limonite stains
Extrusive mafic igneous rock; Limonite (FeO(OH)·nH2O)
igneous
Corundum (Sapphire variant)
Aluminum Oxide (Al2O3)
mineral
Chrysocolla and Malachite Beads
Hydrated copper silicates (Chrysocolla) and Copper carbonate hydroxide (Malachite)
mineral
Pallasite Meteorite (Sliced and Polished)
Pallasite (Iron-Nickel Matrix with Olivine crystals)
mineral