Greenstone (Epidosite/Altered Diorite)
Metabasalt or Meta-andesite / Epidotized Diorite
metamorphic
Category
Igneous, Sedimentary, Metamorphic
Browse igneous, sedimentary, metamorphic specimens identified by the Rock Identifier community.
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Greenstone / Metabasalt
Chlorite schist or Epidiorite
metamorphic
Nephrite Jade
Ca2(Mg,Fe)5Si8O22(OH)2
metamorphic
Serpentinite
Serpentinite (composed primarily of serpentine group minerals like lizardite, chrysotile, or antigorite; Mg3Si2O5(OH)4)
metamorphic
Unakite
Epidotized Granite
metamorphic
Nephrite Jade
Tremolite-Actinolite solid solution, Ca2(Mg,Fe)5Si8O22(OH)2
metamorphic
Lapis Lazuli
Lapis Lazuli (Primary mineral: Lazurite, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Greenstone
Metabasalt / Greenschist facies rock
metamorphic
Mica Schist
Schist (biotite/muscovite schist)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Epidotite (Unakite-related Epidote)
Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))
metamorphic
Pyrite
Iron Disulfide (FeS2)
mineral
Green Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Garnet-Mica Schist
Garnetiferous Porphyroblastic Schist
metamorphic
Pyrite (or Fool's Gold)
Pyrite (FeS₂)
Mineral
Schist (Greenschist / Mica Schist)
Schist (variable mineral composition, commonly containing quartz, feldspar, mica, chlorite)
metamorphic
Greenstone (Metabalt)
Chlorite-actinolite schist (Greenstone)
metamorphic
Serpentine
Antigorite-Lizardite-Chrysotile (Mg3Si2O5(OH)4)
metamorphic
Milky Quartz with Iron Inclusions
Quartz (Silicon Dioxide, SiO2)
mineral
Gneiss (likely)
Gneiss
Metamorphic
Druzy Quartz
Silicon Dioxide (SiO2)
mineral
Nephrite Jade
Ca2(Mg,Fe)5Si8O22(OH)2 (Tremolite-Actinolite series)
metamorphic
Magnetite
Magnetite (Fe3O4)
Mineral
Quartz with Mafic/Chlorite Veins
Silicon Dioxide (SiO2) with Chlorite/Epidote cross-veining
metamorphic
Greenstone with Quartz Veining
Metamorphosed Mafic Igneous Rock
metamorphic
Greenstone (Diabase or Metabasalt)
Metamorphosed Mafic Igneous Rock
metamorphic
Greenschist
Greenschist (Actinolite-Chlorite Schist)
metamorphic
Veined Pebble (likely a Quartz-Veined Pebble)
Pebble with Mineral Vein (e.g., Quartz Vein in a Chert/Mudstone Pebble)
Sedimentary Rock (possibly conglomerate or breccia with a quartz vein)
Green Schist
Greenschist (composed of chlorite, epidote, and actinolite)
metamorphic
Green Schist
Greenschist
metamorphic
Slate
Foliated Metamorphic Rock (composed of quartz, illite, chlorite)
metamorphic
Quartz Pebble with Epidote / Chlorite Inclusions
Silicon Dioxide (SiO2) with Epidote/Chlorite inclusions
mineral
Amazonite
Microcline (KAlSi3O8)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Mystic Topaz (Treated Quartz or Topaz)
Silicate Mineral (SiO2 or Al2SiO4(F,OH)2) with Titanium coating
gemstone
Smoky Quartz
Silicon dioxide (SiO2)
mineral
Gold Nugget / Placer Gold
Native Gold (Au)
mineral
Green Aventurine (or Jadeite/Nephrite Jade)
SiO2 (Silicon Dioxide) - Aventurine Quartz
gemstone
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz with Matrix
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral