Green Aventurine
SiO2
Category
Browse mineral in metamorphic rock specimens identified by the Rock Identifier community.
Green Aventurine
SiO2
Quartzite Fragment
Crystalline Silicon Dioxide (SiO2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Eclogite
Eclogite (Omphacite-Garnet Rock)
Anthracite Coal
Anthracite
Sunstone / Peach Moonstone (Feldspar variety)
Potassium Aluminum Silicate (KAlSi3O8)
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Riverstone (likely Gray Slate or Siltstone)
Metamorphosed fine-grained sedimentary rock (Argillite/Slate)
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Rhodonite
Manganese silicate (Mn,Fe,Mg,Ca)SiO3
Granite
Granite (a felsic intrusive igneous rock)
River Pebbles (Mixed Lithology)
Conglomerate clasts (Silica-rich and Metamorphic assemblages)
Serpentinite
Serpentinite (composed largely of serpentine minerals like antigorite, lizardite, or chrysotile)
Calcite
Calcite (CaCO3)
Dalmatian Stone
Dalmatian Jasper (a misnomer) / Perthitic Igneous Rock
Quartzite
Quartzite (SiO2 based)
Quartzite
Quartzite (composed primarily of Quartz, SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
SiO2 (Silicon Dioxide)
Quartzite
Quartzite (SiO2)
White Marble
Recrystallized Calcite (CaCO3)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (mostly SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Unakite
Unakite (Epidotized Granite)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite (Meta-sedimentary)
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Sandstone
Arenite
Quartzite
Quartzite (primarily SiO₂)
Slate with Pyrite Inclusions
Foliated Metamorphic Rock (with Iron Sulfide FE-S2)
Unakite
Unakite epidotized granite
Unakite
Epidotized Granite
Unakite
Unakite (Epidotized Granite)
Quartzite Pebble
Metamorphic Quartzite (SiO2)