Moss Agate
Silicon Dioxide with inclusions (SiO2)
mineral
Category
Mineral (Or Mineraloid If Microcrystalline)
Browse mineral (or mineraloid if microcrystalline) specimens identified by the Rock Identifier community.
Learn about Mineral (Or Mineraloid If Microcrystalline) in the encyclopedia
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Septarian Nodule
Septarian Concretion (CaCO3 with Calcite/Aragonite and Clay/Mudstone)
sedimentary
Beach Pebble / Agate-bearing Chert Pebble
Microcrystalline Quartz (SiO2) with Inclusion Minerals
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Quartz Geode
SiO2 (Silicon Dioxide)
sedimentary
Goldstone (Synthetic Aventurescence Glass)
Cuprous Aventurescent Glass (Silicon Dioxide with Copper inclusions)
mineraloid / man-made material
River Stones (Quartzite and Sandstone)
Quartzite / Sedimentary Rock (SiO2 dominant)
sedimentary
Limonite
FeO(OH)·nH2O
mineral
Carnelian (Tumbled Quartz/Chalcedony Pebble)
Silicon Dioxide (SiO2)
mineral
Tumbled Agate
Silicon Dioxide (SiO2)
gemstone
Limonite Concretion
Goethite-rich Concretion (FeO(OH))
sedimentary
Limonite and Goethite on Gossan
FeO(OH)·nH2O
mineral
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
mineral
Green Spot Jasper (Kiwi Jasper / Sesame Jasper)
Partially altered granitic rock rich in quartz, microcline feldspar, and tourmaline or amphibole inclusions
metamorphic
Bumblebee Jasper
Anhydrous Calcium Carbonate with Sulfur and Arsenic (Orpiment/Realgar)
sedimentary
Polished/tumbled jasper
Jasper, microcrystalline quartz (SiO₂) with iron-oxide and other mineral impurities
mineral
Banded Jasper
Silicon Dioxide with Iron Oxide impurities (SiO2)
sedimentary
White Jade (Nephrite or Jadeite)
Tremolite-Actinolite series (Nephrite) or NaAlSi2O6 (Jadeite)
metamorphic
Banded Chert
Microcrystalline Quartz (SiO2)
sedimentary
Turquoise in Matrix
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
mineral
Red Jasper and Green Aventurine
Silicon dioxide (SiO2)
mineral
Quartz-veined Basalt or Diabase Pebble
Igneous rock with hydrothermal quartz vein
igneous
Polished orbicular jasper
Silica-rich microcrystalline quartz/chalcedony (SiO₂), with iron oxides and green alteration minerals
mineral
Chert (Jasper/Flint Pebble)
Microcrystalline quartz (SiO2)
sedimentary
Jasper with Quartz Vein
Silicon Dioxide (SiO2)
sedimentary
Red Jasper
Microcrystalline quartz (SiO2)
sedimentary
Yellow Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Green Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Carnelian / Agate
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Limonite
Limonite (Hydrous iron oxides, predominantly Goethite FeO(OH)·nH2O)
mineral
Iron Ore (Limonite and Hematite)
Goethite/Limonite (FeO(OH)·nH2O) and Hematite (Fe2O3)
mineral
Shale
Laminated Fissile Pelite
sedimentary
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
mineral
Fossilized Shark Tooth
Chondrichthyes (Class)
fossil
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Banded Slate (Sedimentary Pebble)
Slate (Metamorphosed Shale or Mudstone)
metamorphic
Gossan with Copper Carbonate (Chrysocolla/Malachite)
Ferruginous Oxide (Gossan) with Cu2CO3(OH)2 (Malachite) or (Cu,Al)2H2Si2O5(OH)4 (Chrysocolla)
Mineral/Sedimentary Interface
Green Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Limonite (with goethite)
Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)
mineral
Polychrome Jasper
Microcrystalline Quartz (SiO2)
sedimentary