Quartz Geode
Silicon Dioxide (SiO2) within a secondary sedimentary structure
Category
Browse sedimentary (secondary mineral) within igneous specimens identified by the Rock Identifier community.
Quartz Geode
Silicon Dioxide (SiO2) within a secondary sedimentary structure
Turquoise
Turquoise (Hydrated phosphate of copper and aluminium), CuAl6(PO4)4(OH)8·4H2O
Turquoise (possible Dyed Howlite or Magnesite imitation)
CuAl6(PO4)4(OH)8·4H2O (Turquoise)
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrated copper and aluminum phosphate)
Turquoise
Hydrate phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Turquoise in Matrix
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Gold
Native Gold (Au)
Yellow Calcite
Calcium Carbonate (CaCO3)
Citrine and Quartz
Silicon Dioxide (SiO2)
Yellow Quartz (Citrine/Yellow Jasper)
Silicon Dioxide (SiO2)
Calcite
Calcium Carbonate (CaCO3)
Hematite
Iron(III) oxide (Fe2O3)
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic volcanic rock)
Turquoise
Hydrous phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Turquoise
Hydrated copper and aluminum phosphate (CuAl6(PO4)4(OH)8·4H2O)
Turquoise (Rough Specimens)
Hydrous phosphate of copper and aluminium - CuAl6(PO4)4(OH)8·4H2O
Jasper with Quartz Veins
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Brown Agate
Cryptocrystalline Silica (SiO2)
Blue Banded Agate (Dyed)
Silicon Dioxide (SiO2) - variety of Chalcedony
Agate
Silicon Dioxide (SiO2)
Botryoidal Hematite
Hematite (Iron(III) oxide, Fe2O3)
Amygdaloidal Basalt
Amygdaloidal Basalt (Ca-rich Plagioclase, Pyroxene, and Olivine)
Carnelian Agate
Silicon Dioxide (SiO2) with iron impurities
Blue Sapphire
Corundum (Al2O3 with trace Titanium and Iron)
Quartz with iron staining
Silicon dioxide (SiO2)
Quartz Pebble (Iron-stained)
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Orange Calcite
Calcium Carbonate (CaCO3)
Optical Calcite
Calcium Carbonate (CaCO3)
Orange Calcite
Calcium Carbonate (CaCO3)
Sandstone
Arenite (primary component SiO2)
Geode (Unopened) / Quartz Nodule
Silicon Dioxide (SiO2) within a sedimentary/volcanic nodule
Native Copper in Basalt
Cuprum (with Host Basalt)
Quartz Geode
Silicon Dioxide (SiO2) within Sedimentary host rock
Amygdaloidal Rhyolite
Rhyolite (felsic volcanic rock) with amygdules
Basalt with Jasper Veining
Basaltic Rock with Cryptocrystalline Quartz (SiO2)
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Fluorite Tower
Fluorite (Calcium Fluoride - CaF2)