Jasper in Basalt Matrix
Silicon Dioxide (SiO2) with impurities; Chalcedony
Category
Browse sedimentary (secondary mineral) within igneous specimens identified by the Rock Identifier community.
Jasper in Basalt Matrix
Silicon Dioxide (SiO2) with impurities; Chalcedony
Orange Calcite
Calcium Carbonate (CaCO3)
Quartz Geode (with Calcite influence)
Silicon Dioxide (SiO2) with possible Calcium Carbonate (CaCO3)
Agate (Carnelian Agate with Quartz Matrix)
Silicon Dioxide (SiO2)
Quartz Geode
Silicon Dioxide (SiO2) - Crystalline Quartz
Yellow Quartz
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Quartz Geode
Silicon dioxide (SiO2)
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Quartz Geode / Druzy Quartz Node
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Quartz Geode
Silicon Dioxide (SiO2)
Unopened Geode
Geode (containing various mineralization like Quartz SiO2)
Amygdaloidal Basalt
Extrusive mafic igneous rock with amygdules
Blue Calcite
Calcium Carbonate (CaCO3)
K2 Jasper (K2 Granite)
Azurite in Granite (Biotite Granite containing Azurite)
Chert on Volcanic Host Rock
Sedimentary Chert (SiO2) within Basalt or Andesite
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Blue Calcite Sphere
Calcium Carbonate (CaCO3)
Pink Calcite (Mangano Calcite)
Calcium Carbonate (CaCO3)
Turquoise
Hydrated phosphate of copper and aluminum - CuAl6(PO4)4(OH)8·4H2O
Turquoise
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
Green Calcite
Calcium Carbonate (CaCO3)
Quartz with Calcite / Geode Fragment
Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3)
Druzy Quartz on Host Rock
Silicon Dioxide (SiO2) with various iron-oxide inclusions
Raw Agate (Chalcedony Nodule)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Copper Ore
Cupriferous Rock / Mixed Mineral Matrix
Geode (Calcite or Quartz)
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)
Smoky Quartz / Chalcedony
Silicon Dioxide (SiO2)
Amygdaloidal Basalt
Basalt with secondary mineral infilling
Blue Aragonite
Aragonite (Calcium Carbonate, CaCO3)
Quartz Geode (Nodule)
Silicon Dioxide (SiO2)
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Quartz (Citrine / Yellow Quartz)
Silicon Dioxide (SiO2)
K2 Jasper (K2 Granite)
Azurite in Granite (Biotite Granite with Azurite inclusions)
K2 Jasper (K2 Granite)
Azurite in Granite (Al2Cu3(CO3)2(OH)2 in NaAlSi3O8)
Quartz Veined Mudstone
Metasedimentary rock with Quartz (SiO2) veins
Sandstone with Quartz Crystal Infill
Quartz-cemented quartz arenite
Optical Calcite
Calcium Carbonate (CaCO3)