Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Category
Sedimentary Or Metamorphic Derived
Browse sedimentary or metamorphic derived specimens identified by the Rock Identifier community.
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Serpentine
Antigorite-Lizardite-Chrysotile (Mg3Si2O5(OH)4)
metamorphic
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Mineral (Variety of Quartz)
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate - Mn%,Fe%,Mg,Ca)SiO₃
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Blue Apatite
Fluorapatite / Ca5(PO4)3F
mineral
Beryl (var. Aquamarine/Blue Beryl) in Quartz Matrix
Beryllium Aluminum Silicate (Be3Al2Si6O18)
mineral
Mica Schist
Mica Schist (predominantly Muscovite or Biotite sheet silicates)
metamorphic
Fuchsite-bearing Quartzite (Green Quartzite)
Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2) in Quartzite
metamorphic
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Pink Marble or Rose Quartz (Likely Pink Marble based on carving texture)
Recrystallized Calcite (CaCO3)
metamorphic
Sandstone or Quartzite
Arenite (if sedimentary) / Quartzite (if metamorphic)
Sedimentary or Metamorphic
Pink Quartz (Inclusion-rich Quartzite)
SiO2 (Silicon Dioxide) with Iron Oxide / Hematite inclusions
metamorphic
Green Aventurine
Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
metamorphic
Schist
Mica Schist
metamorphic
Schist
Mica Schist (primarily Muscovite and Quartz)
metamorphic
Schist
Schist (Crystalline metamorphic rock)
metamorphic
Green Aventurine
Silicon dioxide (SiO2) with inclusions of Fuchsite
metamorphic
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Rhodonite
Rhodonite (Manganese silicate), (Mn,Fe,Mg,Ca)SiO3
mineral
Ruby in Zoisite
Anyolite (Calcium Aluminum Silicate with Aluminum Oxide impurities)
metamorphic
Banded Gneiss
Gneiss (pronounced 'nice')
metamorphic
Rhodonite
Rhodonite (Mn, Fe, Mg, Ca)SiO3
mineral
Schist
Mica Schist
metamorphic
Green Aventurine
Silicon dioxide (SiO2) with inclusions of Fuchsite mica
metamorphic
Aquamarine
Beryl (Be3Al2Si6O18 with iron traces)
mineral
Rhodolite Garnet
Mg3Al2(SiO4)3 - Fe3Al2(SiO4)3 (Pyrope-Almandine series)
mineral
Quartz (likely Jasper or Chert variety)
Quartz (SiO₂)
Mineral
Schist
Crystalline Schist (often containing Muscovite, Biotte, or Quartz)
metamorphic
Pink Quartzite
Quartzite (SiO2 with iron oxide impurities)
metamorphic
Green Fuchsite in Quartz (sometimes called Green Aventurine)
Fuchsite (Chrome-rich Muscovite) K(Al,Cr)2(AlSi3O10)(OH)2 in Quartz SiO2
metamorphic
Unakite
Unakite (Epidotized Granite)
metamorphic
Carnelian
Chalcedony (SiO2) with Iron Oxide inclusions
mineral
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate) - (Mn,Fe,Mg,Ca)SiO3
Mineral
Serpentine
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Mica Schist
Mica Schist (with Muscovite)
metamorphic
Schist
Mica Schist
metamorphic
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Ruby in Zoisite
Anyolite (combination of Ca2Al3(SiO4)3(OH) and Al2O3:Cr)
metamorphic
Lapis Lazuli
Complex metamorphic rock primarily composed of Lazurite ((Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2), Calcite, and Pyrite
metamorphic
Schist
Mica Schist
metamorphic
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals, Mg3Si2O5(OH)4)
metamorphic