Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Category
Metamorphic (Pseudo Igneous)
Browse metamorphic (pseudo igneous) specimens identified by the Rock Identifier community.
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Quartz Crystal Cluster
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Granite Gneiss
Gneiss (derived from granitic protolith)
metamorphic
Quartz (likely Milky Quartz)
Quartz (SiO₂ - Silicon Dioxide)
Mineral
Vesicular Basalt with Zeolite
Mafic volcanic rock with Hydrated Aluminosilicate minerals (Zeolite group)
igneous
Ruby in Zoisite
Ruby (Corundum, Al2O3) in Zoisite (Calcium aluminum silicate hydroxide, Ca2Al3(SiO4)3(OH)) with some Hornblende
Metamorphic Rock (specifically a rock composed of minerals)
Tiger's Eye (Oeil de Tigre)
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
metamorphic
Greenschist
Greenschist facies rock
Metamorphic
Granite
Granite (a felsic intrusive igneous rock)
Igneous
Quartz
Quartz (SiO2, Silicon Dioxide)
Mineral
Chalcopyrite
Chalcopyrite (CuFeS2)
Mineral
Almandine Garnet
Almandine - Fe3Al2(SiO4)3
mineral
Quartz with Mica (Schist/Pegmatite fragment)
Silicon Dioxide (SiO2) with Phyllosilicates (KAl2(AlSi3O10)(OH)2)
igneous/metamorphic
Banded Gneiss (River Cobble)
Gneiss (a high-grade metamorphic rock)
metamorphic
Quartz
Silicon Dioxide (SiO₂)
Mineral
White Quartz
Quartz (SiO2)
Mineral
Yellow Quartz (Citrine/Yellow Chalcedony)
Silicon Dioxide (SiO2)
mineral
Citrine Quartz
Silicon Dioxide (SiO2) - Ferric Iron impurities
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Chrome Diopside
Magnesium Calcium Silicate (MgCaSi2O6) containing Chromium impurities
mineral
Green Quartz (Prasiolite)
Crystalline Silicon Dioxide (SiO2)
mineral
Amethyst
Quartz (Silicon Dioxide, SiO2) with iron impurities
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz River Pebbles
Silicon Dioxide (SiO2)
sedimentary
Aventurine
Quartz (Aventurine variety)
Mineral
Rough Corundum (likely Sapphire or Common Corundum)
Aluminum oxide (Al2O3)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
mineral
Blue Sapphire
Corundum (Al2O3) with traces of Iron and Titanium
mineral
Amethyst
Amethyst (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Blue Sapphire
Corundum (Al2O3) with traces of Iron and Titanium
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Pebble)
Quartz (SiO₂)
Mineral
Quartz (Milky Quartz)
Quartz (SiO2 - Silicon Dioxide)
Mineral
Red Garnet
Garnet Group (e.g., Pyrope, Almandine, Spessartine, Grossular, Andradite, Uvarovite)
Mineral
Beaded Jewelry (Assorted Gemstones)
Various minerals, including but not limited to Quartz (SiO2), Garnet (X3Y2(SiO4)3), Jade (Na(Al,Fe)Si2O6), Amethyst (SiO2),等の多様な組み合わせ
Mineral, Jewelry
Pink Granite / Gneiss
Felsic Plutonic Rock (Granite) with Gneissic banding
igneous / metamorphic
Green Aventurine
Aventurine (Silicon dioxide, SiO₂)
Mineral; variety of Quartz
River Cobble (likely Metasedimentary or Basalt)
Metamorphosed Siltstone or Altered Fine-grained Igneous Rock
metamorphic