Azurite and Malachite on Matrix
Cu3(CO3)2(OH)2 (Azurite) and Cu2CO3(OH)2 (Malachite)
Category
Browse mineral, often found in sedimentary deposits specimens identified by the Rock Identifier community.
Azurite and Malachite on Matrix
Cu3(CO3)2(OH)2 (Azurite) and Cu2CO3(OH)2 (Malachite)
Yellow Ocher / Limonite
FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide)
Chert (Pink Jasper)
Microcrystalline Quartz (SiO2)
Red Jasper
Silicon dioxide (SiO2) with iron oxide impurities
Shattuckite (Blue Quartz/Jasper Matrix)
Shattuckite (Copper Silicate Hydroxide - Cu5(SiO3)4(OH)2)
Leopardskin Jasper
Jasper (a variety of microcrystalline Quartz)
Chrysocolla in Matrix
Chrysocolla (Cu,Al)2H2Si2O5(OH)4·nH2O
Chert (River Pebble)
Chert (SiO2)
Chert (often called Flint)
Chert (Cryptocrystalline Silica, SiO2)
Fossilized Gastropod (Snail)
Class Gastropoda (internal mold or 'steinkern')
Pyromorphite on Epidote
Pyromorphite [Pb5(PO4)3Cl] and Epidote [Ca2(Al2,Fe3+)(SiO4)3(OH)]
River Rock (River Cobbles)
Fluvial Conglomerate Clasts (primarily composed of various minerals such as Quartz, SiO2)
Beach Agate (Chalcedony)
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Rhodonite with Manganese Oxides
Rhodonite (Mn,Fe,Mg,Ca)SiO3
Belemnite Fossil
Belemnitida (extinct order of Cephalopods)
Quartz Geode (Nodule)
Silicon Dioxide (SiO2)
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Sandstone (likely Arkosic or Lithic)
Clastic Sedimentary Rock (SiO2 with accessory minerals)
Chert (and/or Flint)
Chert (Cryptocrystalline variety of Quartz, SiO2)
Chert (Jasper)
Cryptocrystalline Quartz (SiO2)
Leopard Skin Jasper
Chalcedony (cryptocrystalline Quartz)
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Malachite with Chrysocolla
Copper carbonate hydroxide (Cu2CO3(OH)2) and Hydrated copper silicate (Cu,Al)2H2Si2O5(OH)4·nH2O
Rhodonite
Rhodonite (Mn,Fe,Mg,Ca)SiO3
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate - (Mn,Fe,Mg,Ca)SiO3)
Turquoise
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
Fluorite
Calcium Fluoride (CaF2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Hematite
Iron(III) oxide (Fe2O3)
Shale
Fissile mudstone (Shale)
Agate
Silicon Dioxide (SiO2) - Chalcedony variety
Shale
Shale (clastic sedimentary rock)
Chert / Yellow Jasper
Silicon Dioxide (SiO2)
Banded Calcite (often marketed as Mexican Onyx or Onyx Marble)
Calcite (Calcium Carbonate, CaCO3)
Yellow Jasper
Silicon Dioxide (SiO2) with iron impurities
Rhodochrosite
Manganese Carbonate (MnCO3)
Jasper and Yellow Chert (Tumbled)
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Diamond
Carbon (C)