Red Jasper
Jasper (Silicon Dioxide, SiO2)
Category
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Quartz Vein in Host Rock (Gneiss/Schist)
Silicon Dioxide (SiO2) within a metamorphic matrix
Chrysocolla in Matrix
Chrysocolla (Cu,Al)2H2Si2O5(OH)4·nH2O
Granodiorite
Granodiorite (Intermediate intrusive igneous rock)
Black Obsidian
Obsidian (Volcanic Glass)
Pyrite
Iron Sulfide (FeS2)
Druzy Quartz
Silicon Dioxide (SiO2)
Blue Apatite
Fluoroapatite (Ca5(PO4)3F)
Jasper
Microcrystalline Quartz (SiO2)
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
Polished orbicular jasper (likely ocean jasper)
Silicified volcanic rock; chiefly microcrystalline quartz (SiO₂), with feldspar and iron-rich alteration minerals
Fluorite
Fluorite (CaF2)
Rhodonite
Rhodonite (Mn,Fe,Mg,Ca)SiO3
White Howlite
Howlite (Calcium borosilicate hydroxide, Ca2B5SiO9(OH)5)
Native Gold
Gold (Au)
Fuchsite
Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
Serpentine
(Mg,Fe)3Si2O5(OH)4
Lepidolite
K(Li,Al)3(Si,Al)4O10(F,OH)2
Leopard Skin Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
Jasper
Silicon Dioxide (SiO2), Microcrystalline Quartz
Biotite Schist
Biotite-rich Schist [K(Mg,Fe)3AlSi3O10(F,OH)2]
Polished Hematite Tower
Hematite (Fe2O3)
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Blue Quartz
Silicon Dioxide (SiO2) with inclusions
Polished Ocean Jasper (orbicular jasper)
Siliceous microcrystalline quartz/chalcedony, mainly SiO₂, with iron- and manganese-rich inclusions
Red Jasper
Microcrystalline Quartz (Chalcedony), SiO2
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Rainbow Fluorite
Calcium Fluoride (CaF2)
Jasper
Microcrystalline Quartz (SiO2)
Black Opal (Kalimaya)
Hydrated Silica (SiO2·nH2O)
Red Jasper (or Ironstone/Jasper Conglomerate)
Microcrystalline Quartz with Hematite inclusions (SiO2 + Fe2O3)
Chert (Jasper) Pebble
Microcrystalline Quartz (SiO2)
Banded Calcite (often sold as 'Mexican Onyx')
Calcite (Calcium Carbonate, CaCO3)
Yellow Jasper
Silicon Dioxide (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper
Silicon Dioxide (SiO2) with impurities
Pyrite in Matrix (Fool's Gold)
Iron Sulfide (FeS2)
Calcite
Calcium Carbonate (CaCO3)
Pyrite
Iron Sulfide (FeS2)
Fluorite
Calcium Fluoride (CaF2)
Petrified Wood with Lichen
Silicified Wood (SiO2) colonized by crustose lichens