Granite and Igneous Rock Collection
Intrusive igneous rock / Granitoid
igneous
Category
Igneous And Mineral
Browse igneous and mineral specimens identified by the Rock Identifier community.
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Magnetite (Lodestone variant potential)
Magnetite (Fe3O4)
mineral
Prehnite
Prehnite - Ca2Al(AlSi3O10)(OH)2
mineral
Fluorite
Calcium fluoride (CaF2)
mineral
Quartz-rich rock, possibly milky quartz or quartzite
Quartz (SiO₂); if quartzite, recrystallized quartz sandstone
metamorphic
Granite
Intrusive Igneous Rock
igneous
Granite
Plutonic Igneous Rock
igneous
Basalt
Extrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite Pebble
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite Pebble
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Granite
Felsic intrusive igneous rock
igneous
Pegmatite
Igneous Pegmatite
igneous
Quartz (Milky/Smoky mix)
Silicon Dioxide (SiO2)
mineral
Nephrite Jade
Nephrite
Mineral/Rock
Peacock Ore (Bornite or Iridescent Chalcopyrite)
Bornite (Cu5FeS4) or Acid-treated Chalcopyrite (CuFeS2)
mineral
Ruby (Raw Corundum)
Al2O3 (Aluminum Oxide)
mineral
Greenstone or Epidote-rich rock
Epidote or Chlorite schist/greenstone
metamorphic
Labradorite-bearing rough stone (tentative)
Labradorite, a calcium-rich plagioclase feldspar; possible mafic host rock
mineral
Tumbled quartz pebble (probable milky quartz)
Quartz, silicon dioxide (SiO₂)
mineral
Beaded gemstone bracelets, likely lavender jade/quartz and blue-gray sodalite or dumortierite
Probable jadeite/nephrite or lavender quartz; blue beads may be sodalite (Na8(Al6Si6O24)Cl2) or dumortierite
mineral
Polished labradorite pendant
Labradorite, a calcium-rich plagioclase feldspar (approximately NaAlSi₃O₈–CaAl₂Si₂O₈)
mineral
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
mineral
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Granite
Phaneritic Felsic Igneous Rock
igneous
Milky Quartz
Quartz (SiO2)
mineral
Granite
Intrusive Igneous Rock
igneous
Vesicular Basalt or Porphyritic Rhyolite
Extrusive Igneous Rock
igneous
Granite
Intrusive igneous rock
igneous
Granite
Intrusive Igneous Rock
igneous
Serafina (Serafinite / Clinochlore)
Clinochlore (Mg5Al)(AlSi3O10)(OH)8
mineral
Foliated metamorphic rock, likely mica schist
Mica schist, mainly quartz–feldspar–mica assemblage
metamorphic
Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Porphyritic Igneous Rock with Iron Oxide Weathering
Weathered Porphyry (containing Quartz, Feldspar, Amphibole/Biotite, and Hematite/Limonite)
igneous
Gabbro
Gabbro
igneous