Sunstone
Andesine-Labradorite Feldspar ((Ca,Na)(Al,Si)4O8)
mineral
Category
Basalt
Browse basalt specimens identified by the Rock Identifier community.
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Amethyst (Tumbled Stone)
Amethyst (Silicon Dioxide with Iron impurities, SiO2)
mineral
Sunstone
Plagioclase Feldspar (containing (Ca,Na)(Al,Si)4O8 with Hematite or Copper inclusions)
mineral
White Agate (resembling Bone Chalcedony)
Cryptocrystalline Quartz (SiO2)
mineral
Carnelian Agate
Silicon Dioxide (SiO2)
mineral
Scoria (Lava Rock)
Scoria (Mafic volcanic rock)
igneous
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Amethyst
Amethyst (Silicon Dioxide - SiO2 with Iron impurities)
mineral
Scoria (Lava Rock)
Scoria (Extrusive Igneous Rock)
igneous
Larimar
Blue Pectolite (NaCa2Si3O8(OH))
mineral
Yellow Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral
Greenstone
Metabasalt / Greenstone
metamorphic
Sunstone
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
mineral
Copper and Quartz beads
Native Copper (Cu) and Crystalline Quartz (SiO2)
mineral
Ruby and Diamond in Gold Setting
Corundum (Al2O3) and Diamond (C)
mineral
Amethyst
Silicon Dioxide (SiO2) with Iron impurities
mineral
Amethyst (Tumbled Cabinet Stone)
Silicon Dioxide (SiO2) with iron impurities
mineral
Quartz (Agate/Chalcedony variety)
Silicon Dioxide (SiO2)
mineral
Scoria (Red Lava Rock)
Scoria (Extrusive Igneous Rock)
Igneous
Amethyst (Polished Point)
Silicon Dioxide (SiO2) with iron impurities
mineral
Scoria (Lava Rock)
Scoria
igneous
Dragon Blood Jasper
Epidote-rich Quartzite (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))
metamorphic
Amphibolite (specifically Hornblende Schist/Gneiss)
Amphibole-rich Metamorphic Rock
metamorphic
Stilbite
Stilbite-Ca (Hydrated calcium sodium aluminum silicate), NaCa4(Si27Al9)O72·28H2O
mineral
Greenstone (possibly Basalt or Greenschist)
Greenschist (composed primarily of chlorite, actinolite, and epidote)
Metamorphic (low-grade)
Banded Agate (Jasper-Agate)
Silicon Dioxide (SiO₂)
Mineral
Greenschist
Greenschist (containing Chlorite, Actinolite, and Epidote)
metamorphic
Amethyst
Silicon Dioxide (SiO2) with Iron impurities
mineral
Greenschist
Greenschist (composed primarily of Chlorite, Actinolite, and Epidote)
metamorphic
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Banded Agate
Silicon dioxide (SiO2) - variety of Chalcedony
mineral
Magnetite with Pyrite or Chalcopyrite inclusions
Magnetite (Fe3O4) with Pyrite (FeS2)
mineral
Labradorite
Labradorite (Ca,Na)(Al,Si)4O8
mineral
Amethyst
Amethyst (Silicon Dioxide, SiO2)
mineral
Labradorite (Polished Crystal Point)
Labradorite (a calcium-enriched feldspar mineral), (Ca, Na)(Al, Si)4O8
mineral
Amethyst (Quartz)
Silicon Dioxide (SiO2) with Iron impurities
mineral
Shiva Lingam
Cryptocrystalline Quartz (Jasproid/Jasper)
sedimentary
Sunstone
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
mineral
Magnetite (Lodestone variety)
Magnetite (Iron(II,III) oxide, Fe3O4)
mineral
Greenstone
Metabasalt / Chlorite-Epidote Schist
metamorphic
Amethyst
Amethyst (Silicon Dioxide, SiO2 with Iron impurities)
mineral
Chevron Amethyst
Silicon Dioxide (SiO2) with trace Iron (Fe4+)
mineral