Quartzite
Quartzite (Primary mineral: SiO2)
Category
Browse mineral (treated) specimens identified by the Rock Identifier community.
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Red Jasper
Jasper (Silicate mineral - SiO2)
Aventurine (Tan/Cream colored)
Quartz (SiO2) with mineral inclusions
Quartzite
Quartzite (Primary mineral: SiO2)
Jasper
Jasper (Silicate mineral, SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Geode (Unopened)
Silicon Dioxide (SiO2) in sedimentary vugs
Basalt with Amygdules
Amygdaloidal Basalt
Limonite (Iron Ore)
Hydrous Iron Oxide (goethite, lepidocrocite)
Biotite (Mica)
Biotite group (K(Mg,Fe)3AlSi3O10(F,OH)2)
Green Fluorite
Calcium Fluoride (CaF2)
Basalt
Basalt
Beads (likely glass or man-made material)
N/A (artificial material)
Green Fluorite
Calcium Fluoride (CaF2)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Fluorite (Blue)
Calcium Fluoride (CaF2)
Erythrite
Erythrite (Cobalt Bloom) - Co3(AsO4)2·8H2O
Olivine in Basalt (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4 (Mineral) within Basalt (Rock)
Granite
Phaneritic Plutonic Felsic Rock (Granite)
Druzy Quartz on Host Rock
Silicon Dioxide (SiO2) with various iron-oxide inclusions
Mica Schist
Mica Schist (predominantly Muscovite or Biotite sheet silicates)
Yellow Jasper
Chalcedony (Silicon Dioxide with Iron inclusions), SiO2
Chrysocolla on Quartz/Rhyolite matrix
Hydrated copper phyllosilicate mineral: (Cu,Al)2H2Si2O5(OH)4·nH2O
N/A (Non-Geological Specimen)
Yellow Jade (often Serpentine or Dolomite)
Primarily Serpentine (Mg3Si2O5(OH)4) or Dolomite (CaMg(CO3)2), though the term 'yellow jade' is also sometimes applied to varieties of true nephrite or jadeite.
Iron-stained Quartz (Gossan/Limonite-coated Quartz)
Silicon Dioxide (SiO2) with Hydrated Iron Oxides (FeO(OH)·nH2O)
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
Rose Quartz Chips
Quartz (Silicon Dioxide - SiO2)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Yellow Calcite
Calcium Carbonate (CaCO3)
Obsidian
Volcanic Glass (SiO2 rich)
Dalmatian Stone
Peralkaline Feldsphathic Igneous Rock
Azurite and Malachite
Azurite (Cu3(CO3)2(OH)2) and Malachite (Cu2(CO3)(OH)2)
Ironstone Concretion (Iron-rich Mudstone)
Siderite / Geothite concretion (FeCO3 / FeO(OH))
Moqui Marble (Concretion)
Iron Oxide Concretion (Hematite/Goethite)
Sandstone
Arenite (primarily SiO2)
Limonite (Hydrated Iron Oxide / Bog Iron)
FeO(OH)·nH2O