Garnet in Matrix
Almandine or Spessartine Garnet in Quartz/Schist Matrix (X3Al2(SiO4)3)
Category
Browse igneous, metamorphic, and sedimentary specimens identified by the Rock Identifier community.
Garnet in Matrix
Almandine or Spessartine Garnet in Quartz/Schist Matrix (X3Al2(SiO4)3)
Iolite (Cordierite)
Magnesium Iron Aluminum Silicate (Mg,Fe)2Al4Si5O18
Red Garnet
Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)
Gneiss (likely)
Gneiss
Greenschist
Greenschist (Actinolite-Chlorite Schist)
Greenstone with Quartz Veining
Metamorphosed Mafic Igneous Rock
Greenstone (Diabase or Metabasalt)
Metamorphosed Mafic Igneous Rock
Rhodonite
Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3
Red Jasper
Red Jasper (SiO2)
Pyrite Cubes in Matrix
Iron Disulfide (FeS2) in Host Matrix
Red Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Green Schist
Greenschist
Milky Quartz with Iron Inclusions
Quartz (Silicon Dioxide, SiO2)
Green Jasper
Silicon Dioxide (SiO2) with impurities
Orange Calcite
Calcium Carbonate (CaCO3)
Garnet-Mica Schist
Garnetiferous Porphyroblastic Schist
Druzy Quartz
Silicon Dioxide (SiO2)
Nephrite Jade (Yellow Skin)
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
Greenschist
Greenschist (Chlorite-actinolite schist)
Greenstone / Greenschist
Chlorite schist / Epidiorite / Metabasalt
Greenstone
Greenschist
Greenstone
Protolith: Basaltic rock
Nephrite Jade
Ca2(Mg, Fe)5Si8O22(OH)2 (Tremolite-Actinolite series)
Diorite Gneiss
Foliated Diorite Gneiss
Soapstone
Steatite (composed primarily of Talc, Mg3Si4O10(OH)2)
Greenschist
Greenschist (Chlorite Schist)
Greenstone
Greenschist (commonly containing Chlorite, Actinolite, and Epidote)
Greenstone / Metabasalt
Metamorphosed Mafic Rock (Greenschist facies)
Greenschist
Greenschist (Major minerals include Chlorite, Actinolite, and Epidote)
Greenstone
Greenschist (composed of chlorite, actinolite, and epidote)
Greenschist / Greenstone
Greenschist facies metabasite
Dragon Blood Jasper
Epidote-rich Quartzite (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))
Granite cobble
Granite (composed primarily of Quartz, Feldspar, and Mica)
Greenstone / Greenschist
Greenschist (composed of Chlorite, Epidote, Actinolite)
Greenstone (Altered Mafic Rock)
Greenschist / Meta-basalt
Dragon Blood Jasper (Lizard Stone/Septarian Chalcedony)
Epidote with Black Hornblende and White Quartz mixture
Unakite (bottom) and Sodalite (top)
Epidotized Granite (Unakite) and Sodium Aluminum Silicate Chloride (Sodalite)
Greenschist
Chlorite schist
Greenstone (Epidosite or Altered Basalt)
Epidosite (Ca2(Al, Fe)3(SiO4)3(OH))
Greenstone
Metabasalt
Lapis Lazuli
Lapis lazuli (Mainly Lazurite: Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
Serpentinite with Quartz/Calcite Veining
Serpentinite (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4