Hypersthene
(Mg,Fe)SiO3 - Enstatite-Ferrosilite series
Category
Browse mineral (processed metal) specimens identified by the Rock Identifier community.
Hypersthene
(Mg,Fe)SiO3 - Enstatite-Ferrosilite series
Azurite
Azurite (Cu3(CO3)2(OH)2)
Green Moss Agate
Silicon Dioxide with inclusions (SiO2 + Mn/Fe)
Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
Gneiss
Foliated Metamorphic Gneiss
Granite Cobble
Plutonic Igneous Rock (Granitic)
Mangano Calcite
Manganocalcite (Ca,Mn)CO3
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz / Quartz Geode Fragment
Silicon Dioxide (SiO2)
Specular Hematite (Iron Ore)
Hematite (Alpha-Fe2O3)
Milky Quartz
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Cloudy Quartz with Mica inclusions
Silicon Dioxide (SiO2) with accessory Muscovite KAl2(AlSi3O10)(OH)2
Red Jasper
Silicon Dioxide with Hematite impurities (SiO2 + Fe2O3)
Red Jasper
Silicon Dioxide (SiO2) mixture
Serpentine, likely a variety of Chrysoprase (green chalcedony) or a similar translucent green mineral.
Serpentine Group Minerals (e.g., Antigorite, Lizardite) or Chalcedony (SiO2) with nickel impurities for Chrysoprase green.
Blue Calcite
Calcium Carbonate (CaCO3)
Specular Hematite
Hematite (Iron Oxide, Fe2O3)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Specular Hematite with Pyrite
Iron Oxide (Fe2O3) with Iron Sulfide (FeS2)
Celestite (Celectine)
Strontium sulfate (SrSO4)
Red Jasper
Jasper (Silicon Dioxide, SiO2 with Fe2O3 inclusions)
Honey Calcite
Calcium Carbonate (CaCO3)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
Black Tourmaline (Schorl)
Sodium Iron Aluminum Borosilicate (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)
White Agate (Chalcedony)
Chalcedony (SiO2)
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Kunzite (Pink Spodumene)
Spodumene, LiAl(SiO3)2
Quartz (Iron-stained or Ferruginous Quartz)
Silicon Dioxide (SiO2)
Silicon Carbide (Carborundum)
Silicon Carbide (SiC) / Moissanite (natural)
Sardonyx Cameo
Silicon Dioxide (SiO2) - variety Cryptocrystalline Quartz
Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Agate (Plume/Moss variety)
Cryptocrystalline Quartz (SiO2) with iron/manganese inclusions
Tiger's Eye
Tiger's Eye (Pseudomorph of Quartz after Crocidolite), SiO2
Quartz (River Pebble)
Silicon Dioxide (SiO2)
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Amethyst (Faceted Gemstone)
Silicon Dioxide (SiO2) with iron impurities
Quartz Pebble
Silicon Dioxide (SiO2)