Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Metamorphic Rock (Composed Of Multiple Minerals)
Browse metamorphic rock (composed of multiple minerals) specimens identified by the Rock Identifier community.
Learn about Metamorphic Rock (Composed Of Multiple Minerals) in the encyclopedia
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Nacre (Mother of Pearl)
Nacre (Biogenic Aragonite/Calcite composite, CaCO3)
mineral
Jadeite
NaAlSi2O6 (Sodium Aluminum Silicate)
metamorphic
Quartz (Milky/Yellowish variety)
Silicon Dioxide (SiO2)
mineral
Greenstone
Metabasalt
metamorphic
Mixed Gemstone Bracelet
Mixed natural minerals and rocks (e.g., Rhodonite, Malachite, Sodalite, Rose Quartz, Black Tourmaline, Quartz/Chalcedony variants)
Mineral/Rock assemblage
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Chlorite Included Quartz
Silicon Dioxide (SiO2) with Chlorite (Mg,Fe,Li)6AlSi3O10(OH)8
mineral
Quartz (specifically Milky or Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Seraphinite
Clinochlore (Mg,Fe2+)5Al(Si3Al)O10(OH)8
mineral
Vesicular Basalt with Secondary Mineral Infill
Mafic Volcanic Rock (Basalt)
igneous
Graphite
Graphite (Chemical Formula: C)
Mineral (Native Element)
Red Shale
Lutite (primarily composed of clay minerals and iron oxides like hematite, Fe2O3)
sedimentary
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
metamorphic
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
mineral
Limonite (Iron-rich Siltstone / Sandstone base)
Hydrous ferric oxide mixture (FeO(OH)·nH2O)
sedimentary
Green Tiger's Eye
Silicified Crocidolite (Quartz variety, SiO2)
metamorphic
Milky Quartz Pebbles
Silicon Dioxide (SiO2)
mineral
Ferruginous Sandstone
Sandstone with Iron Oxide (Limonite/Goethite)
sedimentary
Malachite or Chrysocolla on Host Rock
Cu2(CO3)(OH)2 (Malachite) or (Cu,Al)2H2Si2O5(OH)4 (Chrysocolla)
mineral
Slate with Quartz
Low-grade Metamorphic Slate with SiO2 inclusions
metamorphic
Fuchsite
K(Al,Cr)2(AlSi3O10)(OH)2
Mineral
Pink Quartzite
Quartzite (SiO2 with minor iron oxide impurities)
metamorphic
Granite Pebble
Phaneritic intrusive igneous rock
igneous
Milky Quartz (or Iron-Stained Quartz)
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Ferruginous Sandstone
Arenite with Iron-Oxide Cement (FeO(OH)·nH2O / Fe2O3)
sedimentary
Quartzite
Metamorphosed Quartz Sandstone
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Nuummite
Nuummite (ortho-amphibole rock)
metamorphic
Jadeite (Jade)
NaAlSi2O6 (Sodium Aluminum Silicate)
metamorphic
Sandstone (River Cobble)
Clastic Sandstone (SiO2 with accessory minerals)
sedimentary
Mica Schist
Muscovite/Biotite Schist
metamorphic
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Nephrite Jade
Ca2(Mg,Fe)5Si8O22(OH)2
metamorphic
Blue Chalcedony
Cryptocrystalline Quartz (SiO2)
mineral
Moqui Marble (Iron Oxide Concretion)
Iron Oxide Concretion (primarily Limonite/Hematite around a Sandstone center)
sedimentary
Quartzite with Quartz Vein
Metamorphosed Quartz-rich Arenite (SiO2)
metamorphic
Quartz with Chalcopyrite
Silicon Dioxide (SiO2) with Copper Iron Sulfide (CuFeS2)
mineral
Fulgurite
Fulgurite (Lechatelierite)
metamorphic