Rhodonite (in matrix)
Rhodonite (Mn,Fe,Mg,Ca)SiO3
Mineral
Category
Metamorphic Or Igneous Alteration
Browse metamorphic or igneous alteration specimens identified by the Rock Identifier community.
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Alexandrite
Chrysoberyl (BeAl2O4 with Chromium impurities)
mineral
Quartzite
Metamorphic Quartz (SiO2)
metamorphic
White Moonstone (Scolicite or White Feldspar var. )
Lattice-structure Silicate (KAlSi3O8)
mineral
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
mineral
Amazonite
Microcline (KAlSi3O8) with lead impurities
mineral
Quartzite
Metamorphic Quartz (SiO2)
metamorphic
Quartzite Pebble
Metamorphic Quartz (SiO2)
metamorphic
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Mineral (Variety of Quartz)
Zoisite with Ruby
Anyolite (Ca2Al3(SiO4)3(OH) with Al2O3:Cr)
metamorphic
Eagle Eye / Grey Tiger Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Green Kyanite
Kyanite (Al2SiO5)
mineral
Garnet Schist
Almandine Garnet in Schist (X3Al2(SiO4)3)
metamorphic
Blue Kyanite
Kyanite (Al2SiO5)
mineral
Quartzite
Metamorphic Quartz (SiO2)
metamorphic
Quartzite Pebble
Metamorphic Quartz (SiO2)
metamorphic
Quartzite Pebble
Quartzite (primarily SiO2)
metamorphic
Note: Image shows a biological specimen (Rat), not a rock. Representative geological equivalent: Galena (due to lead-grey colors in fur).
Galena (PbS)
mineral
Garnet in Matrix (Schist or Quartz)
Almandine Garnet, Fe3Al2(SiO4)3
metamorphic
Quartzite Pebble
Metamorphic Quartz (SiO2)
metamorphic
Milky Quartz
Quartz / Silicon Dioxide (SiO2)
mineral
Eclogite
Eclogite (Omphacite-Garnet Rock)
metamorphic
Dyed Quartzite
Metamorphosed Quartz (SiO2) with synthetic pigment
metamorphic
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Green Adventurine
SiO2 (Silicon Dioxide with inclusions of Fuchsite mica)
mineral
Eclogite
Eclogite (Pyrope garnet and Omphacite pyroxene)
metamorphic
Quartzite Pebble
Metamorphic Quartz (SiO2)
metamorphic
Quartzite pebble
Metamorphic Quartz (SiO2)
metamorphic
Arsenopyrite in Sulphide Ore
Arsenopyrite (FeAsS)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Actinolite
Ca2(Mg,Fe)5Si8O22(OH)2
mineral
Aquamarine
Beryl (Be3Al2Si6O18)
mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Assorted Semi-Precious Gemstone Crosses
Quartz, Silicates, Carbonates (various)
mineral
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
mineral
Aquamarine with Ruby Accent
Beryllium Aluminum Silicate (Be3Al2Si6O18) with Aluminum Oxide (Al2O3)
mineral
Garnet (likely Almandine)
Almandine - Fe3Al2(SiO4)3
mineral
Arsenopyrite
Arsenopyrite (FeAsS)
mineral
Rhodonite
Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3
mineral
Blue Tiger's Eye (Hawks Eye)
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic