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)
Agate (Carnelian Agate with Quartz Matrix)
Silicon Dioxide (SiO2)
Quartz Geode (with Calcite influence)
Silicon Dioxide (SiO2) with possible Calcium Carbonate (CaCO3)
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)
Blue Calcite
Calcium Carbonate (CaCO3)
Unopened Geode
Geode (containing various mineralization like Quartz SiO2)
Chert on Volcanic Host Rock
Sedimentary Chert (SiO2) within Basalt or Andesite
Amygdaloidal Basalt
Extrusive mafic igneous rock with amygdules
K2 Jasper (K2 Granite)
Azurite in Granite (Biotite Granite containing Azurite)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Turquoise
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
Blue Calcite Sphere
Calcium Carbonate (CaCO3)
Turquoise
Hydrated phosphate of copper and aluminum - CuAl6(PO4)4(OH)8·4H2O
Pink Calcite (Mangano 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
Geode (Calcite or Quartz)
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)
Raw Agate (Chalcedony Nodule)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Blue Aragonite
Aragonite (Calcium Carbonate, CaCO3)
Smoky Quartz / Chalcedony
Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Copper Ore
Cupriferous Rock / Mixed Mineral Matrix
Amygdaloidal Basalt
Basalt with secondary mineral infilling
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Quartz Geode (Nodule)
Silicon Dioxide (SiO2)
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Amygdaloidal Basalt
Basalt with secondary mineral infilling
K2 Jasper (K2 Granite)
Azurite in Granite (Biotite Granite with Azurite inclusions)
Quartz (Citrine / Yellow Quartz)
Silicon Dioxide (SiO2)
Quartz Geode in Sedimentary Host Rock
Silicon Dioxide (SiO2) in Carbonate Matrix
K2 Jasper (K2 Granite)
Azurite in Granite (Al2Cu3(CO3)2(OH)2 in NaAlSi3O8)