Green Calcite
Calcium Carbonate (CaCO3)
mineral
Category
Metamorphic (Localized) Or Sedimentary
Browse metamorphic (localized) or sedimentary specimens identified by the Rock Identifier community.
Learn about Metamorphic (Localized) Or Sedimentary in the encyclopedia
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White Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Crystal
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Blue Quartz
Silicon Dioxide (SiO2) with inclusions
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Magnetic Sand Grain / Magnetite Pellet
Magnetite (Fe3O4)
mineral
Clear Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Quartz Crystal Fragment
Silicon Dioxide (SiO2)
mineral
Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Note: Image shows a biological specimen (Rat), not a rock. Representative geological equivalent: Galena (due to lead-grey colors in fur).
Galena (PbS)
mineral
Quartz (Granular)
Silicon Dioxide (SiO2)
mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Pink Quartz / Rose Quartz
Silicon Dioxide (SiO2)
mineral
Graphite
Graphite (C)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Gneiss
Metamorphic Gneiss
metamorphic
Blue Kyanite
Kyanite (Al2SiO5)
mineral
Pyrite-bearing sulfide specimen
Pyrite (FeS₂), possibly mixed with chalcopyrite or other iron sulfides
mineral
Red Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Sandstone with Liesegang Rings
Quartzose Sandstone with Iron Oxide Precipitation
sedimentary
Greenish Metamorphic Rock (likely containing epidote or chlorite)
Metamorphic rock, possibly epidosite or greenstone
Metamorphic
Likely quartz-bearing rock fragment
Quartz (SiO₂), possibly with iron-oxide staining or other mineral inclusions
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Unidentified gray mineral/rock fragment
Indeterminate from image; possibly quartz-rich material or mica-bearing schist
mineral
Small quartz-rich pebble or rock fragment
Quartz (silicon dioxide, SiO₂), possibly with iron-oxide staining or host-rock inclusions
mineral
Kyanite
Kyanite (Al2SiO5)
Mineral
Gneiss
Metamorphic Gneiss
metamorphic
Polished banded gneiss pebble
Gneiss, commonly quartz–feldspar–biotite gneiss
metamorphic