Quartz (White/Milky with Iron Staining)
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary (Secondary Mineral) Within Igneous
Browse sedimentary (secondary mineral) within igneous specimens identified by the Rock Identifier community.
Learn about Sedimentary (Secondary Mineral) Within Igneous in the encyclopedia
View all →
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Peridot
Olivine ((Mg,Fe)2SiO4)
mineral
Milk Quartz (White) and Yellow Aventurine (Yellow)
Silicon Dioxide (SiO2)
mineral
Amazonite
Potassium Feldspar (Microcline), K(AlSi3O8)
mineral
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Gneiss
Gneiss
metamorphic
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Chert (with Quartz Vein)
Microcrystalline silica (SiO2)
sedimentary
Shale (with Iron Oxide staining)
Fissile Mudstone (primarily Quartz and Clay minerals)
sedimentary
Quartz (Water-worn Pebble)
Silicon Dioxide (SiO2)
mineral
Quartz (Agate/Jasper pebble)
Silicon Dioxide (SiO2)
mineral
Granite
Granite
igneous
Quartz Geode (Water-worn)
Silicon Dioxide (SiO2)
mineral
Gabbro or coarse-grained dioritic rock
Plutonic mafic/intermediate rock; typically plagioclase feldspar + pyroxene ± amphibole/biotite
igneous
Kimberlite
Ultramafic igneous rock
igneous
Mica Schist with Quartz
Crystalline Schist (SiO2 + KAl2(AlSi3O10)(OH)2)
metamorphic
Granite
Granite (Phaneritic intrusive igneous rock)
igneous
Granite
Plutonic Granite
igneous
Quartz Geode (Druzy Quartz)
Silicon Dioxide (SiO2)
mineral
Gossan (with secondary copper minerals)
Iron-rich oxidized rock cap (Limonite/Goethite with Malachite/Chrysocolla inclusions)
metamorphic
Muscovite
KAl2(AlSi3O10)(OH)2
mineral
Granite
Phaneritic Plutonic Felsic Rock (SiO2, KAlSi3O8, NaAlSi3O8, CaAl2Si2O8)
igneous
Septarian Nodule
Septarian Concretion (Calcite, Aragonite, Limestone)
sedimentary
Granite
Intrusive Felsic Igneous Rock (primarily Quartz and Feldspar)
igneous
Banded Agate (Chalcedony)
Silicon Dioxide (SiO2)
mineral
Red Sandstone
Arenite (Iron-rich)
sedimentary
Precious Opal
Hydrated Silica (SiO2·nH2O)
mineral
Quartz (Pink / Ferruginous)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Sandstone
Arenite (primarily Quartz, SiO2)
sedimentary
Quartz Crystal Cluster / Quartzite
Silicon Dioxide (SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) - variety of Chalcedony
sedimentary
Malachite
Copper Carbonate Hydroxide, Cu2CO3(OH)2
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrated copper aluminum phosphate)
gemstone
Vanadinite
Vanadinite (Pb5(VO4)3Cl)
mineral
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Turquoise or Chrysocolla (Inlaid Jewelry)
Hydrated copper aluminum phosphate / Hydrated copper phyllosilicate
mineral
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Limonite (Gossan)
FeO(OH)·nH2O (Hydrated Iron Oxide)
mineral
Vanadinite
Vanadinite (Pb5(VO4)3Cl)
mineral