Greenschist
Greenschist (Chlorite-actinolite schist)
metamorphic
Category
Igneous, Sedimentary, Metamorphic
Browse igneous, sedimentary, metamorphic specimens identified by the Rock Identifier community.
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Schist
Mica Schist
metamorphic
Greenstone
Greenschist
metamorphic
Greenstone Pebble
Metabasalt (often containing chlorite, actinolite, or epidote)
metamorphic
Nephrite Jade
Ca2(Mg, Fe)5Si8O22(OH)2 (Tremolite-Actinolite series)
metamorphic
Greenstone / Nephrite Jade
Tremolite-actinolite series (Ca2(Mg,Fe)5Si8O22(OH)2)
metamorphic
Greenschist
Chlorite schist (Metamorphic rock dominated by chlorite, epidote, and actinolite)
metamorphic
Greenstone (Metabaltic/Greenschist)
Chlorite schist / Meta-basalt
metamorphic
Greenstone
Metabasalt (composed mainly of chlorite, epidote, and actinolite)
metamorphic
Serpentine Pebble
Serpentine ((Mg,Fe,Ni,Al,Zn,Mn)3(Si,Al)2O5(OH)4)
metamorphic
Aventurine Quartz
Silicon Dioxide (SiO2) with inclusions (typically Fuchsite/Mica)
metamorphic
Glacial Cobble (likely Granitic or Gneissic)
Granite/Gneiss Glacial Erratic
igneous
Green Aventurine
Aventurine Quartz (SiO2 with fuchsite inclusions)
Mineral
Purple Dyed Dalmatian Stone
Dyed Peralkaline Trachyte
igneous
Dalmation Stone
Peralkaline Rock (Microcline Quartz mixture with Arfvedsonite)
igneous
Dalmation Stone
Peralkaline Rock (SiO2 with Arfvedsonite)
igneous
Almandine Garnet in Matrix
Almandine Garnet (Fe3Al2(SiO4)3) in Schist/Quartz Matrix
metamorphic
Blue Kyanite
Kyanite (Al2SiO5)
mineral
Specular Hematite (Specularite)
Iron(III) oxide (Fe2O3)
mineral
Rhodonite
Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3
mineral
Kyanite
Kyanite (Al2SiO5)
mineral
Dalmatian Stone
Dalmatian Jasper (a trade name for an igneous microcrystalline rock composed mostly of feldspar, quartz, and dravite)
igneous
Dalmatian Jasper
Dalmatian Stone (a microcrystalline quartz and feldspar rock with arfvedsonite)
igneous
Blue Kyanite
Kyanite (Al2SiO5)
mineral
Greenschist / Basalt Beach Pebble
Metabasalt / Chlorite Schist
metamorphic
Greenschist
Greenschist (Chlorite Schist)
metamorphic
Lapis Lazuli
Lapis lazuli (Complex silicate rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)
metamorphic
Greenschist
Greenschist (Chlorite-actinolite schist)
metamorphic
Greenstone
Metabasalt (often contains Chlorite, Actinolite, and Epidote)
metamorphic
Nuummite
Nuummite (mixture of Anthophyllite and Gedrite)
metamorphic
Nephrite Jade
Ca2(Mg, Fe)5Si8O22(OH)2
metamorphic
Nephrite Jade
Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)
metamorphic
Greenstone
Metabasalt / Chlorite-Epidote Schist
metamorphic
Greenstone
Greenschist / Greenstone (contains epidote, chlorite, and actinolite)
metamorphic
Greenstone with Epidote or Quartz veins
Metabasalt (Greenstone facies)
metamorphic
Greenstone
Greenschist / Meta-basalt
metamorphic
Lapis Lazuli
Na8(Al6Si6O24)S2 (Lazurite is the primary constituent mineral)
metamorphic
Calcite (commonly referred to as Orange Calcite or Honey Calcite given its color)
Calcite
Mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Carnelian / Agate
Silicon Dioxide (SiO2) - Chalcedony
mineral
Unidentified Dark Mineral or Rock
Indeterminate (Likely Silicon Dioxide or Carbon-based)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral